Home / 7,961.52-10,987.96-4,817.10

Finding the Fourth Proportional to 7,961.52, 10,987.96 and 4,817.10

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Solution

The fourth proportional to 7,961.52, 10,987.96 and 4,817.10 is: 6,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.52 : 10,987.96 = 4,817.10 : x
  2. Step 2: Convert to fraction form
    7,961.52/10,987.96 = 4,817.10/x
  3. Step 3: Cross multiply
    7,961.52x = 10,987.96 × 4,817.10
  4. Step 4: Simplify right side
    7,961.52x = 52,930,102.12
  5. Step 5: Solve for x
    x = 52,930,102.12/7,961.52
  6. Step 6: Final answer
    x = 6,648.24

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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.