Home / 8,279.98-11,426.42-4,503.19

Finding the Fourth Proportional to 8,279.98, 11,426.42 and 4,503.19

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Solution

The fourth proportional to 8,279.98, 11,426.42 and 4,503.19 is: 6,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.98 : 11,426.42 = 4,503.19 : x
  2. Step 2: Convert to fraction form
    8,279.98/11,426.42 = 4,503.19/x
  3. Step 3: Cross multiply
    8,279.98x = 11,426.42 × 4,503.19
  4. Step 4: Simplify right side
    8,279.98x = 51,455,340.28
  5. Step 5: Solve for x
    x = 51,455,340.28/8,279.98
  6. Step 6: Final answer
    x = 6,214.43

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Half scale
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Double scale
Find fourth proportional to 8,280.98, 11,427.80 and 4,504.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.