Home / 6,402.13-9,604.81-1,785.13

Finding the Fourth Proportional to 6,402.13, 9,604.81 and 1,785.13

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Solution

The fourth proportional to 6,402.13, 9,604.81 and 1,785.13 is: 2,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.13 : 9,604.81 = 1,785.13 : x
  2. Step 2: Convert to fraction form
    6,402.13/9,604.81 = 1,785.13/x
  3. Step 3: Cross multiply
    6,402.13x = 9,604.81 × 1,785.13
  4. Step 4: Simplify right side
    6,402.13x = 17,145,834.48
  5. Step 5: Solve for x
    x = 17,145,834.48/6,402.13
  6. Step 6: Final answer
    x = 2,678.15

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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.