Home / 7,442.16-11,163.60-4,362

Finding the Fourth Proportional to 7,442.16, 11,163.60 and 4,362

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Solution

The fourth proportional to 7,442.16, 11,163.60 and 4,362 is: 6,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.16 : 11,163.60 = 4,362 : x
  2. Step 2: Convert to fraction form
    7,442.16/11,163.60 = 4,362/x
  3. Step 3: Cross multiply
    7,442.16x = 11,163.60 × 4,362
  4. Step 4: Simplify right side
    7,442.16x = 48,695,623.20
  5. Step 5: Solve for x
    x = 48,695,623.20/7,442.16
  6. Step 6: Final answer
    x = 6,543.21

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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.