Home / 8,921.24-13,327.60-5,775.62

Finding the Fourth Proportional to 8,921.24, 13,327.60 and 5,775.62

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Solution

The fourth proportional to 8,921.24, 13,327.60 and 5,775.62 is: 8,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.24 : 13,327.60 = 5,775.62 : x
  2. Step 2: Convert to fraction form
    8,921.24/13,327.60 = 5,775.62/x
  3. Step 3: Cross multiply
    8,921.24x = 13,327.60 × 5,775.62
  4. Step 4: Simplify right side
    8,921.24x = 76,975,153.11
  5. Step 5: Solve for x
    x = 76,975,153.11/8,921.24
  6. Step 6: Final answer
    x = 8,628.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.