Home / 7,171.54-10,753.46-2,490.35

Finding the Fourth Proportional to 7,171.54, 10,753.46 and 2,490.35

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Solution

The fourth proportional to 7,171.54, 10,753.46 and 2,490.35 is: 3,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.54 : 10,753.46 = 2,490.35 : x
  2. Step 2: Convert to fraction form
    7,171.54/10,753.46 = 2,490.35/x
  3. Step 3: Cross multiply
    7,171.54x = 10,753.46 × 2,490.35
  4. Step 4: Simplify right side
    7,171.54x = 26,779,822.23
  5. Step 5: Solve for x
    x = 26,779,822.23/7,171.54
  6. Step 6: Final answer
    x = 3,734.18

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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.