Home / 8,914.48-12,306.44-5,773.20

Finding the Fourth Proportional to 8,914.48, 12,306.44 and 5,773.20

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Solution

The fourth proportional to 8,914.48, 12,306.44 and 5,773.20 is: 7,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.48 : 12,306.44 = 5,773.20 : x
  2. Step 2: Convert to fraction form
    8,914.48/12,306.44 = 5,773.20/x
  3. Step 3: Cross multiply
    8,914.48x = 12,306.44 × 5,773.20
  4. Step 4: Simplify right side
    8,914.48x = 71,047,539.41
  5. Step 5: Solve for x
    x = 71,047,539.41/8,914.48
  6. Step 6: Final answer
    x = 7,969.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.