Home / 5,854.70-8,782.06-2,391.95

Finding the Fourth Proportional to 5,854.70, 8,782.06 and 2,391.95

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Solution

The fourth proportional to 5,854.70, 8,782.06 and 2,391.95 is: 3,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.70 : 8,782.06 = 2,391.95 : x
  2. Step 2: Convert to fraction form
    5,854.70/8,782.06 = 2,391.95/x
  3. Step 3: Cross multiply
    5,854.70x = 8,782.06 × 2,391.95
  4. Step 4: Simplify right side
    5,854.70x = 21,006,248.42
  5. Step 5: Solve for x
    x = 21,006,248.42/5,854.70
  6. Step 6: Final answer
    x = 3,587.93

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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.