Home / 7,492.10-11,238.15-5,159.30

Finding the Fourth Proportional to 7,492.10, 11,238.15 and 5,159.30

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Solution

The fourth proportional to 7,492.10, 11,238.15 and 5,159.30 is: 7,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.10 : 11,238.15 = 5,159.30 : x
  2. Step 2: Convert to fraction form
    7,492.10/11,238.15 = 5,159.30/x
  3. Step 3: Cross multiply
    7,492.10x = 11,238.15 × 5,159.30
  4. Step 4: Simplify right side
    7,492.10x = 57,980,987.30
  5. Step 5: Solve for x
    x = 57,980,987.30/7,492.10
  6. Step 6: Final answer
    x = 7,738.95

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Similar ratio
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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.