Home / 8,275.92-12,397.08-4,103.40

Finding the Fourth Proportional to 8,275.92, 12,397.08 and 4,103.40

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Solution

The fourth proportional to 8,275.92, 12,397.08 and 4,103.40 is: 6,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.92 : 12,397.08 = 4,103.40 : x
  2. Step 2: Convert to fraction form
    8,275.92/12,397.08 = 4,103.40/x
  3. Step 3: Cross multiply
    8,275.92x = 12,397.08 × 4,103.40
  4. Step 4: Simplify right side
    8,275.92x = 50,870,178.07
  5. Step 5: Solve for x
    x = 50,870,178.07/8,275.92
  6. Step 6: Final answer
    x = 6,146.77

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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.