Home / 5,128.18-7,693.30-1,841.53

Finding the Fourth Proportional to 5,128.18, 7,693.30 and 1,841.53

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Solution

The fourth proportional to 5,128.18, 7,693.30 and 1,841.53 is: 2,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.18 : 7,693.30 = 1,841.53 : x
  2. Step 2: Convert to fraction form
    5,128.18/7,693.30 = 1,841.53/x
  3. Step 3: Cross multiply
    5,128.18x = 7,693.30 × 1,841.53
  4. Step 4: Simplify right side
    5,128.18x = 14,167,442.75
  5. Step 5: Solve for x
    x = 14,167,442.75/5,128.18
  6. Step 6: Final answer
    x = 2,762.66

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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.