Home / 6,518.29-9,777.32-1,587.92

Finding the Fourth Proportional to 6,518.29, 9,777.32 and 1,587.92

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Solution

The fourth proportional to 6,518.29, 9,777.32 and 1,587.92 is: 2,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.29 : 9,777.32 = 1,587.92 : x
  2. Step 2: Convert to fraction form
    6,518.29/9,777.32 = 1,587.92/x
  3. Step 3: Cross multiply
    6,518.29x = 9,777.32 × 1,587.92
  4. Step 4: Simplify right side
    6,518.29x = 15,525,575.55
  5. Step 5: Solve for x
    x = 15,525,575.55/6,518.29
  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.