Home / 8,458.61-12,688.53-2,614.46

Finding the Fourth Proportional to 8,458.61, 12,688.53 and 2,614.46

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Solution

The fourth proportional to 8,458.61, 12,688.53 and 2,614.46 is: 3,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.61 : 12,688.53 = 2,614.46 : x
  2. Step 2: Convert to fraction form
    8,458.61/12,688.53 = 2,614.46/x
  3. Step 3: Cross multiply
    8,458.61x = 12,688.53 × 2,614.46
  4. Step 4: Simplify right side
    8,458.61x = 33,173,641.07
  5. Step 5: Solve for x
    x = 33,173,641.07/8,458.61
  6. Step 6: Final answer
    x = 3,921.88

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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.