Home / 5,420.47-8,132.52-2,300.35

Finding the Fourth Proportional to 5,420.47, 8,132.52 and 2,300.35

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Solution

The fourth proportional to 5,420.47, 8,132.52 and 2,300.35 is: 3,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.47 : 8,132.52 = 2,300.35 : x
  2. Step 2: Convert to fraction form
    5,420.47/8,132.52 = 2,300.35/x
  3. Step 3: Cross multiply
    5,420.47x = 8,132.52 × 2,300.35
  4. Step 4: Simplify right side
    5,420.47x = 18,707,642.38
  5. Step 5: Solve for x
    x = 18,707,642.38/5,420.47
  6. Step 6: Final answer
    x = 3,451.30

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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.