Home / 5,141.77-7,711.45-1,444.35

Finding the Fourth Proportional to 5,141.77, 7,711.45 and 1,444.35

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Solution

The fourth proportional to 5,141.77, 7,711.45 and 1,444.35 is: 2,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.77 : 7,711.45 = 1,444.35 : x
  2. Step 2: Convert to fraction form
    5,141.77/7,711.45 = 1,444.35/x
  3. Step 3: Cross multiply
    5,141.77x = 7,711.45 × 1,444.35
  4. Step 4: Simplify right side
    5,141.77x = 11,138,029.20
  5. Step 5: Solve for x
    x = 11,138,029.20/5,141.77
  6. Step 6: Final answer
    x = 2,166.19

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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.