Home / 6,140.90-9,211.35-2,248.10

Finding the Fourth Proportional to 6,140.90, 9,211.35 and 2,248.10

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Solution

The fourth proportional to 6,140.90, 9,211.35 and 2,248.10 is: 3,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.90 : 9,211.35 = 2,248.10 : x
  2. Step 2: Convert to fraction form
    6,140.90/9,211.35 = 2,248.10/x
  3. Step 3: Cross multiply
    6,140.90x = 9,211.35 × 2,248.10
  4. Step 4: Simplify right side
    6,140.90x = 20,708,035.94
  5. Step 5: Solve for x
    x = 20,708,035.94/6,140.90
  6. Step 6: Final answer
    x = 3,372.15

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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.