Home / 9,315.60-13,962.60-3,766.20

Finding the Fourth Proportional to 9,315.60, 13,962.60 and 3,766.20

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Solution

The fourth proportional to 9,315.60, 13,962.60 and 3,766.20 is: 5,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.60 : 13,962.60 = 3,766.20 : x
  2. Step 2: Convert to fraction form
    9,315.60/13,962.60 = 3,766.20/x
  3. Step 3: Cross multiply
    9,315.60x = 13,962.60 × 3,766.20
  4. Step 4: Simplify right side
    9,315.60x = 52,585,944.12
  5. Step 5: Solve for x
    x = 52,585,944.12/9,315.60
  6. Step 6: Final answer
    x = 5,644.93

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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.