Home / 5,742.24-8,627.78-3,663.20

Finding the Fourth Proportional to 5,742.24, 8,627.78 and 3,663.20

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Solution

The fourth proportional to 5,742.24, 8,627.78 and 3,663.20 is: 5,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.24 : 8,627.78 = 3,663.20 : x
  2. Step 2: Convert to fraction form
    5,742.24/8,627.78 = 3,663.20/x
  3. Step 3: Cross multiply
    5,742.24x = 8,627.78 × 3,663.20
  4. Step 4: Simplify right side
    5,742.24x = 31,605,283.70
  5. Step 5: Solve for x
    x = 31,605,283.70/5,742.24
  6. Step 6: Final answer
    x = 5,504.00

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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.