Home / 4,061.40-6,089.70-2,117.40

Finding the Fourth Proportional to 4,061.40, 6,089.70 and 2,117.40

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Solution

The fourth proportional to 4,061.40, 6,089.70 and 2,117.40 is: 3,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.40 : 6,089.70 = 2,117.40 : x
  2. Step 2: Convert to fraction form
    4,061.40/6,089.70 = 2,117.40/x
  3. Step 3: Cross multiply
    4,061.40x = 6,089.70 × 2,117.40
  4. Step 4: Simplify right side
    4,061.40x = 12,894,330.78
  5. Step 5: Solve for x
    x = 12,894,330.78/4,061.40
  6. Step 6: Final answer
    x = 3,174.85

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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.