Home / 5,207.40-7,802.46-3,665.16

Finding the Fourth Proportional to 5,207.40, 7,802.46 and 3,665.16

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Solution

The fourth proportional to 5,207.40, 7,802.46 and 3,665.16 is: 5,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.40 : 7,802.46 = 3,665.16 : x
  2. Step 2: Convert to fraction form
    5,207.40/7,802.46 = 3,665.16/x
  3. Step 3: Cross multiply
    5,207.40x = 7,802.46 × 3,665.16
  4. Step 4: Simplify right side
    5,207.40x = 28,597,264.29
  5. Step 5: Solve for x
    x = 28,597,264.29/5,207.40
  6. Step 6: Final answer
    x = 5,491.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.