Home / 9,221.50-12,726.08-5,029.75

Finding the Fourth Proportional to 9,221.50, 12,726.08 and 5,029.75

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Solution

The fourth proportional to 9,221.50, 12,726.08 and 5,029.75 is: 6,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.50 : 12,726.08 = 5,029.75 : x
  2. Step 2: Convert to fraction form
    9,221.50/12,726.08 = 5,029.75/x
  3. Step 3: Cross multiply
    9,221.50x = 12,726.08 × 5,029.75
  4. Step 4: Simplify right side
    9,221.50x = 64,009,000.88
  5. Step 5: Solve for x
    x = 64,009,000.88/9,221.50
  6. Step 6: Final answer
    x = 6,941.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.