Home / 8,649.88-11,937.72-5,294.91

Finding the Fourth Proportional to 8,649.88, 11,937.72 and 5,294.91

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Solution

The fourth proportional to 8,649.88, 11,937.72 and 5,294.91 is: 7,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.88 : 11,937.72 = 5,294.91 : x
  2. Step 2: Convert to fraction form
    8,649.88/11,937.72 = 5,294.91/x
  3. Step 3: Cross multiply
    8,649.88x = 11,937.72 × 5,294.91
  4. Step 4: Simplify right side
    8,649.88x = 63,209,146.82
  5. Step 5: Solve for x
    x = 63,209,146.82/8,649.88
  6. Step 6: Final answer
    x = 7,307.52

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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.