Home / 8,278-11,426.07-4,923.19

Finding the Fourth Proportional to 8,278, 11,426.07 and 4,923.19

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Solution

The fourth proportional to 8,278, 11,426.07 and 4,923.19 is: 6,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278 : 11,426.07 = 4,923.19 : x
  2. Step 2: Convert to fraction form
    8,278/11,426.07 = 4,923.19/x
  3. Step 3: Cross multiply
    8,278x = 11,426.07 × 4,923.19
  4. Step 4: Simplify right side
    8,278x = 56,252,713.56
  5. Step 5: Solve for x
    x = 56,252,713.56/8,278
  6. Step 6: Final answer
    x = 6,795.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,279, 11,427.45 and 4,924.19
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.