Home / 8,854.61-13,277.68-5,157.89

Finding the Fourth Proportional to 8,854.61, 13,277.68 and 5,157.89

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Solution

The fourth proportional to 8,854.61, 13,277.68 and 5,157.89 is: 7,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.61 : 13,277.68 = 5,157.89 : x
  2. Step 2: Convert to fraction form
    8,854.61/13,277.68 = 5,157.89/x
  3. Step 3: Cross multiply
    8,854.61x = 13,277.68 × 5,157.89
  4. Step 4: Simplify right side
    8,854.61x = 68,484,833.19
  5. Step 5: Solve for x
    x = 68,484,833.19/8,854.61
  6. Step 6: Final answer
    x = 7,734.37

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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.