Home / 6,517.98-9,776.78-1,587.55

Finding the Fourth Proportional to 6,517.98, 9,776.78 and 1,587.55

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Solution

The fourth proportional to 6,517.98, 9,776.78 and 1,587.55 is: 2,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.98 : 9,776.78 = 1,587.55 : x
  2. Step 2: Convert to fraction form
    6,517.98/9,776.78 = 1,587.55/x
  3. Step 3: Cross multiply
    6,517.98x = 9,776.78 × 1,587.55
  4. Step 4: Simplify right side
    6,517.98x = 15,521,094.71
  5. Step 5: Solve for x
    x = 15,521,094.71/6,517.98
  6. Step 6: Final answer
    x = 2,381.27

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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.