Home / 5,983.60-8,257.63-4,987.21

Finding the Fourth Proportional to 5,983.60, 8,257.63 and 4,987.21

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Solution

The fourth proportional to 5,983.60, 8,257.63 and 4,987.21 is: 6,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,983.60 : 8,257.63 = 4,987.21 : x
  2. Step 2: Convert to fraction form
    5,983.60/8,257.63 = 4,987.21/x
  3. Step 3: Cross multiply
    5,983.60x = 8,257.63 × 4,987.21
  4. Step 4: Simplify right side
    5,983.60x = 41,182,534.91
  5. Step 5: Solve for x
    x = 41,182,534.91/5,983.60
  6. Step 6: Final answer
    x = 6,882.57

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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.