Home / 8,157.35-11,246.15-5,319.11

Finding the Fourth Proportional to 8,157.35, 11,246.15 and 5,319.11

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Solution

The fourth proportional to 8,157.35, 11,246.15 and 5,319.11 is: 7,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.35 : 11,246.15 = 5,319.11 : x
  2. Step 2: Convert to fraction form
    8,157.35/11,246.15 = 5,319.11/x
  3. Step 3: Cross multiply
    8,157.35x = 11,246.15 × 5,319.11
  4. Step 4: Simplify right side
    8,157.35x = 59,819,508.93
  5. Step 5: Solve for x
    x = 59,819,508.93/8,157.35
  6. Step 6: Final answer
    x = 7,333.20

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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.