Home / 7,766.48-11,650.56-2,572.88

Finding the Fourth Proportional to 7,766.48, 11,650.56 and 2,572.88

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Solution

The fourth proportional to 7,766.48, 11,650.56 and 2,572.88 is: 3,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.48 : 11,650.56 = 2,572.88 : x
  2. Step 2: Convert to fraction form
    7,766.48/11,650.56 = 2,572.88/x
  3. Step 3: Cross multiply
    7,766.48x = 11,650.56 × 2,572.88
  4. Step 4: Simplify right side
    7,766.48x = 29,975,492.81
  5. Step 5: Solve for x
    x = 29,975,492.81/7,766.48
  6. Step 6: Final answer
    x = 3,859.60

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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.