Home / 9,717.87-13,411.68-5,739.35

Finding the Fourth Proportional to 9,717.87, 13,411.68 and 5,739.35

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Solution

The fourth proportional to 9,717.87, 13,411.68 and 5,739.35 is: 7,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.87 : 13,411.68 = 5,739.35 : x
  2. Step 2: Convert to fraction form
    9,717.87/13,411.68 = 5,739.35/x
  3. Step 3: Cross multiply
    9,717.87x = 13,411.68 × 5,739.35
  4. Step 4: Simplify right side
    9,717.87x = 76,974,296.91
  5. Step 5: Solve for x
    x = 76,974,296.91/9,717.87
  6. Step 6: Final answer
    x = 7,920.91

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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.