Home / 8,349.12-12,516.30-3,151.35

Finding the Fourth Proportional to 8,349.12, 12,516.30 and 3,151.35

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Solution

The fourth proportional to 8,349.12, 12,516.30 and 3,151.35 is: 4,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.12 : 12,516.30 = 3,151.35 : x
  2. Step 2: Convert to fraction form
    8,349.12/12,516.30 = 3,151.35/x
  3. Step 3: Cross multiply
    8,349.12x = 12,516.30 × 3,151.35
  4. Step 4: Simplify right side
    8,349.12x = 39,443,242.01
  5. Step 5: Solve for x
    x = 39,443,242.01/8,349.12
  6. Step 6: Final answer
    x = 4,724.24

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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.