Home / 5,452.86-8,184.40-2,681.53

Finding the Fourth Proportional to 5,452.86, 8,184.40 and 2,681.53

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Solution

The fourth proportional to 5,452.86, 8,184.40 and 2,681.53 is: 4,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.86 : 8,184.40 = 2,681.53 : x
  2. Step 2: Convert to fraction form
    5,452.86/8,184.40 = 2,681.53/x
  3. Step 3: Cross multiply
    5,452.86x = 8,184.40 × 2,681.53
  4. Step 4: Simplify right side
    5,452.86x = 21,946,714.13
  5. Step 5: Solve for x
    x = 21,946,714.13/5,452.86
  6. Step 6: Final answer
    x = 4,024.81

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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.