Home / 5,097.20-7,032.08-3,000.96

Finding the Fourth Proportional to 5,097.20, 7,032.08 and 3,000.96

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Solution

The fourth proportional to 5,097.20, 7,032.08 and 3,000.96 is: 4,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.20 : 7,032.08 = 3,000.96 : x
  2. Step 2: Convert to fraction form
    5,097.20/7,032.08 = 3,000.96/x
  3. Step 3: Cross multiply
    5,097.20x = 7,032.08 × 3,000.96
  4. Step 4: Simplify right side
    5,097.20x = 21,102,990.80
  5. Step 5: Solve for x
    x = 21,102,990.80/5,097.20
  6. Step 6: Final answer
    x = 4,140.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.