Home / 4,116.60-6,165.30-2,561.40

Finding the Fourth Proportional to 4,116.60, 6,165.30 and 2,561.40

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Solution

The fourth proportional to 4,116.60, 6,165.30 and 2,561.40 is: 3,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.60 : 6,165.30 = 2,561.40 : x
  2. Step 2: Convert to fraction form
    4,116.60/6,165.30 = 2,561.40/x
  3. Step 3: Cross multiply
    4,116.60x = 6,165.30 × 2,561.40
  4. Step 4: Simplify right side
    4,116.60x = 15,791,799.42
  5. Step 5: Solve for x
    x = 15,791,799.42/4,116.60
  6. Step 6: Final answer
    x = 3,836.13

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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.