Home / 7,098.24-10,640.16-3,395.04

Finding the Fourth Proportional to 7,098.24, 10,640.16 and 3,395.04

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Solution

The fourth proportional to 7,098.24, 10,640.16 and 3,395.04 is: 5,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.24 : 10,640.16 = 3,395.04 : x
  2. Step 2: Convert to fraction form
    7,098.24/10,640.16 = 3,395.04/x
  3. Step 3: Cross multiply
    7,098.24x = 10,640.16 × 3,395.04
  4. Step 4: Simplify right side
    7,098.24x = 36,123,768.81
  5. Step 5: Solve for x
    x = 36,123,768.81/7,098.24
  6. Step 6: Final answer
    x = 5,089.12

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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.