Home / 6,518.27-9,777.42-1,587.90

Finding the Fourth Proportional to 6,518.27, 9,777.42 and 1,587.90

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Solution

The fourth proportional to 6,518.27, 9,777.42 and 1,587.90 is: 2,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.27 : 9,777.42 = 1,587.90 : x
  2. Step 2: Convert to fraction form
    6,518.27/9,777.42 = 1,587.90/x
  3. Step 3: Cross multiply
    6,518.27x = 9,777.42 × 1,587.90
  4. Step 4: Simplify right side
    6,518.27x = 15,525,565.22
  5. Step 5: Solve for x
    x = 15,525,565.22/6,518.27
  6. Step 6: Final answer
    x = 2,381.85

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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.