Home / 4,711.38-6,501.86-3,119.40

Finding the Fourth Proportional to 4,711.38, 6,501.86 and 3,119.40

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Solution

The fourth proportional to 4,711.38, 6,501.86 and 3,119.40 is: 4,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.38 : 6,501.86 = 3,119.40 : x
  2. Step 2: Convert to fraction form
    4,711.38/6,501.86 = 3,119.40/x
  3. Step 3: Cross multiply
    4,711.38x = 6,501.86 × 3,119.40
  4. Step 4: Simplify right side
    4,711.38x = 20,281,902.08
  5. Step 5: Solve for x
    x = 20,281,902.08/4,711.38
  6. Step 6: Final answer
    x = 4,304.88

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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.