Home / 5,097.20-7,645.80-4,295.30

Finding the Fourth Proportional to 5,097.20, 7,645.80 and 4,295.30

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Solution

The fourth proportional to 5,097.20, 7,645.80 and 4,295.30 is: 6,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.20 : 7,645.80 = 4,295.30 : x
  2. Step 2: Convert to fraction form
    5,097.20/7,645.80 = 4,295.30/x
  3. Step 3: Cross multiply
    5,097.20x = 7,645.80 × 4,295.30
  4. Step 4: Simplify right side
    5,097.20x = 32,841,004.74
  5. Step 5: Solve for x
    x = 32,841,004.74/5,097.20
  6. Step 6: Final answer
    x = 6,442.95

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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.