Home / 5,002.40-6,902.16-2,905.28

Finding the Fourth Proportional to 5,002.40, 6,902.16 and 2,905.28

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Solution

The fourth proportional to 5,002.40, 6,902.16 and 2,905.28 is: 4,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.40 : 6,902.16 = 2,905.28 : x
  2. Step 2: Convert to fraction form
    5,002.40/6,902.16 = 2,905.28/x
  3. Step 3: Cross multiply
    5,002.40x = 6,902.16 × 2,905.28
  4. Step 4: Simplify right side
    5,002.40x = 20,052,707.40
  5. Step 5: Solve for x
    x = 20,052,707.40/5,002.40
  6. Step 6: Final answer
    x = 4,008.62

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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.