Home / 8,860.55-13,290.12-3,862.80

Finding the Fourth Proportional to 8,860.55, 13,290.12 and 3,862.80

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Solution

The fourth proportional to 8,860.55, 13,290.12 and 3,862.80 is: 5,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.55 : 13,290.12 = 3,862.80 : x
  2. Step 2: Convert to fraction form
    8,860.55/13,290.12 = 3,862.80/x
  3. Step 3: Cross multiply
    8,860.55x = 13,290.12 × 3,862.80
  4. Step 4: Simplify right side
    8,860.55x = 51,337,075.54
  5. Step 5: Solve for x
    x = 51,337,075.54/8,860.55
  6. Step 6: Final answer
    x = 5,793.90

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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.