Home / 6,299.40-8,705.16-4,724.76

Finding the Fourth Proportional to 6,299.40, 8,705.16 and 4,724.76

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Solution

The fourth proportional to 6,299.40, 8,705.16 and 4,724.76 is: 6,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.40 : 8,705.16 = 4,724.76 : x
  2. Step 2: Convert to fraction form
    6,299.40/8,705.16 = 4,724.76/x
  3. Step 3: Cross multiply
    6,299.40x = 8,705.16 × 4,724.76
  4. Step 4: Simplify right side
    6,299.40x = 41,129,791.76
  5. Step 5: Solve for x
    x = 41,129,791.76/6,299.40
  6. Step 6: Final answer
    x = 6,529.16

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Half scale
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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.