Home / 5,141.96-7,711.08-1,854.17

Finding the Fourth Proportional to 5,141.96, 7,711.08 and 1,854.17

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Solution

The fourth proportional to 5,141.96, 7,711.08 and 1,854.17 is: 2,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.96 : 7,711.08 = 1,854.17 : x
  2. Step 2: Convert to fraction form
    5,141.96/7,711.08 = 1,854.17/x
  3. Step 3: Cross multiply
    5,141.96x = 7,711.08 × 1,854.17
  4. Step 4: Simplify right side
    5,141.96x = 14,297,653.20
  5. Step 5: Solve for x
    x = 14,297,653.20/5,141.96
  6. Step 6: Final answer
    x = 2,780.58

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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.