Home / 8,340.38-12,510.61-2,417.64

Finding the Fourth Proportional to 8,340.38, 12,510.61 and 2,417.64

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Solution

The fourth proportional to 8,340.38, 12,510.61 and 2,417.64 is: 3,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.38 : 12,510.61 = 2,417.64 : x
  2. Step 2: Convert to fraction form
    8,340.38/12,510.61 = 2,417.64/x
  3. Step 3: Cross multiply
    8,340.38x = 12,510.61 × 2,417.64
  4. Step 4: Simplify right side
    8,340.38x = 30,246,151.16
  5. Step 5: Solve for x
    x = 30,246,151.16/8,340.38
  6. Step 6: Final answer
    x = 3,626.47

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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.