Home / 7,060.20-9,742.02-3,915.96

Finding the Fourth Proportional to 7,060.20, 9,742.02 and 3,915.96

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Solution

The fourth proportional to 7,060.20, 9,742.02 and 3,915.96 is: 5,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.20 : 9,742.02 = 3,915.96 : x
  2. Step 2: Convert to fraction form
    7,060.20/9,742.02 = 3,915.96/x
  3. Step 3: Cross multiply
    7,060.20x = 9,742.02 × 3,915.96
  4. Step 4: Simplify right side
    7,060.20x = 38,149,360.64
  5. Step 5: Solve for x
    x = 38,149,360.64/7,060.20
  6. Step 6: Final answer
    x = 5,403.44

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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.