Home / 5,611.44-8,417.28-2,686.53

Finding the Fourth Proportional to 5,611.44, 8,417.28 and 2,686.53

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Solution

The fourth proportional to 5,611.44, 8,417.28 and 2,686.53 is: 4,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.44 : 8,417.28 = 2,686.53 : x
  2. Step 2: Convert to fraction form
    5,611.44/8,417.28 = 2,686.53/x
  3. Step 3: Cross multiply
    5,611.44x = 8,417.28 × 2,686.53
  4. Step 4: Simplify right side
    5,611.44x = 22,613,275.24
  5. Step 5: Solve for x
    x = 22,613,275.24/5,611.44
  6. Step 6: Final answer
    x = 4,029.85

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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.