Home / 4,139.70-6,209.55-1,061.70

Finding the Fourth Proportional to 4,139.70, 6,209.55 and 1,061.70

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Solution

The fourth proportional to 4,139.70, 6,209.55 and 1,061.70 is: 1,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.70 : 6,209.55 = 1,061.70 : x
  2. Step 2: Convert to fraction form
    4,139.70/6,209.55 = 1,061.70/x
  3. Step 3: Cross multiply
    4,139.70x = 6,209.55 × 1,061.70
  4. Step 4: Simplify right side
    4,139.70x = 6,592,679.24
  5. Step 5: Solve for x
    x = 6,592,679.24/4,139.70
  6. Step 6: Final answer
    x = 1,592.55

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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.