Home / 7,442.31-11,157.61-5,095.20

Finding the Fourth Proportional to 7,442.31, 11,157.61 and 5,095.20

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Solution

The fourth proportional to 7,442.31, 11,157.61 and 5,095.20 is: 7,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.31 : 11,157.61 = 5,095.20 : x
  2. Step 2: Convert to fraction form
    7,442.31/11,157.61 = 5,095.20/x
  3. Step 3: Cross multiply
    7,442.31x = 11,157.61 × 5,095.20
  4. Step 4: Simplify right side
    7,442.31x = 56,850,254.47
  5. Step 5: Solve for x
    x = 56,850,254.47/7,442.31
  6. Step 6: Final answer
    x = 7,638.79

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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.