Home / 4,088.90-6,140.55-3,166.70

Finding the Fourth Proportional to 4,088.90, 6,140.55 and 3,166.70

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Solution

The fourth proportional to 4,088.90, 6,140.55 and 3,166.70 is: 4,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.90 : 6,140.55 = 3,166.70 : x
  2. Step 2: Convert to fraction form
    4,088.90/6,140.55 = 3,166.70/x
  3. Step 3: Cross multiply
    4,088.90x = 6,140.55 × 3,166.70
  4. Step 4: Simplify right side
    4,088.90x = 19,445,279.69
  5. Step 5: Solve for x
    x = 19,445,279.69/4,088.90
  6. Step 6: Final answer
    x = 4,755.63

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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.