Home / 8,935.20-12,318.48-7,535.52

Finding the Fourth Proportional to 8,935.20, 12,318.48 and 7,535.52

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Solution

The fourth proportional to 8,935.20, 12,318.48 and 7,535.52 is: 10,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.20 : 12,318.48 = 7,535.52 : x
  2. Step 2: Convert to fraction form
    8,935.20/12,318.48 = 7,535.52/x
  3. Step 3: Cross multiply
    8,935.20x = 12,318.48 × 7,535.52
  4. Step 4: Simplify right side
    8,935.20x = 92,826,152.41
  5. Step 5: Solve for x
    x = 92,826,152.41/8,935.20
  6. Step 6: Final answer
    x = 10,388.82

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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.