Home / 6,987.35-9,641.27-4,002.50

Finding the Fourth Proportional to 6,987.35, 9,641.27 and 4,002.50

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Solution

The fourth proportional to 6,987.35, 9,641.27 and 4,002.50 is: 5,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.35 : 9,641.27 = 4,002.50 : x
  2. Step 2: Convert to fraction form
    6,987.35/9,641.27 = 4,002.50/x
  3. Step 3: Cross multiply
    6,987.35x = 9,641.27 × 4,002.50
  4. Step 4: Simplify right side
    6,987.35x = 38,589,114.96
  5. Step 5: Solve for x
    x = 38,589,114.96/6,987.35
  6. Step 6: Final answer
    x = 5,522.71

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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.