Home / 8,475.57-12,699.45-2,925.99

Finding the Fourth Proportional to 8,475.57, 12,699.45 and 2,925.99

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Solution

The fourth proportional to 8,475.57, 12,699.45 and 2,925.99 is: 4,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.57 : 12,699.45 = 2,925.99 : x
  2. Step 2: Convert to fraction form
    8,475.57/12,699.45 = 2,925.99/x
  3. Step 3: Cross multiply
    8,475.57x = 12,699.45 × 2,925.99
  4. Step 4: Simplify right side
    8,475.57x = 37,158,463.71
  5. Step 5: Solve for x
    x = 37,158,463.71/8,475.57
  6. Step 6: Final answer
    x = 4,384.18

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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.