Home / 9,022.54-12,451.18-4,989.30

Finding the Fourth Proportional to 9,022.54, 12,451.18 and 4,989.30

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Solution

The fourth proportional to 9,022.54, 12,451.18 and 4,989.30 is: 6,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.54 : 12,451.18 = 4,989.30 : x
  2. Step 2: Convert to fraction form
    9,022.54/12,451.18 = 4,989.30/x
  3. Step 3: Cross multiply
    9,022.54x = 12,451.18 × 4,989.30
  4. Step 4: Simplify right side
    9,022.54x = 62,122,672.37
  5. Step 5: Solve for x
    x = 62,122,672.37/9,022.54
  6. Step 6: Final answer
    x = 6,885.28

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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.