Home / 5,854.80-8,777.40-2,391.12

Finding the Fourth Proportional to 5,854.80, 8,777.40 and 2,391.12

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Solution

The fourth proportional to 5,854.80, 8,777.40 and 2,391.12 is: 3,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.80 : 8,777.40 = 2,391.12 : x
  2. Step 2: Convert to fraction form
    5,854.80/8,777.40 = 2,391.12/x
  3. Step 3: Cross multiply
    5,854.80x = 8,777.40 × 2,391.12
  4. Step 4: Simplify right side
    5,854.80x = 20,987,816.69
  5. Step 5: Solve for x
    x = 20,987,816.69/5,854.80
  6. Step 6: Final answer
    x = 3,584.72

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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.