Home / 8,776.32-13,167.96-5,272.92

Finding the Fourth Proportional to 8,776.32, 13,167.96 and 5,272.92

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Solution

The fourth proportional to 8,776.32, 13,167.96 and 5,272.92 is: 7,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.32 : 13,167.96 = 5,272.92 : x
  2. Step 2: Convert to fraction form
    8,776.32/13,167.96 = 5,272.92/x
  3. Step 3: Cross multiply
    8,776.32x = 13,167.96 × 5,272.92
  4. Step 4: Simplify right side
    8,776.32x = 69,433,599.64
  5. Step 5: Solve for x
    x = 69,433,599.64/8,776.32
  6. Step 6: Final answer
    x = 7,911.47

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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.