Home / 5,402.24-7,457.12-3,539.36

Finding the Fourth Proportional to 5,402.24, 7,457.12 and 3,539.36

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Solution

The fourth proportional to 5,402.24, 7,457.12 and 3,539.36 is: 4,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.24 : 7,457.12 = 3,539.36 : x
  2. Step 2: Convert to fraction form
    5,402.24/7,457.12 = 3,539.36/x
  3. Step 3: Cross multiply
    5,402.24x = 7,457.12 × 3,539.36
  4. Step 4: Simplify right side
    5,402.24x = 26,393,432.24
  5. Step 5: Solve for x
    x = 26,393,432.24/5,402.24
  6. Step 6: Final answer
    x = 4,885.65

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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.