Home / 5,635.98-8,457.33-3,139.26

Finding the Fourth Proportional to 5,635.98, 8,457.33 and 3,139.26

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Solution

The fourth proportional to 5,635.98, 8,457.33 and 3,139.26 is: 4,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.98 : 8,457.33 = 3,139.26 : x
  2. Step 2: Convert to fraction form
    5,635.98/8,457.33 = 3,139.26/x
  3. Step 3: Cross multiply
    5,635.98x = 8,457.33 × 3,139.26
  4. Step 4: Simplify right side
    5,635.98x = 26,549,757.78
  5. Step 5: Solve for x
    x = 26,549,757.78/5,635.98
  6. Step 6: Final answer
    x = 4,710.76

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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.