Home / 9,025.48-12,455.06-5,249.40

Finding the Fourth Proportional to 9,025.48, 12,455.06 and 5,249.40

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Solution

The fourth proportional to 9,025.48, 12,455.06 and 5,249.40 is: 7,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.48 : 12,455.06 = 5,249.40 : x
  2. Step 2: Convert to fraction form
    9,025.48/12,455.06 = 5,249.40/x
  3. Step 3: Cross multiply
    9,025.48x = 12,455.06 × 5,249.40
  4. Step 4: Simplify right side
    9,025.48x = 65,381,591.96
  5. Step 5: Solve for x
    x = 65,381,591.96/9,025.48
  6. Step 6: Final answer
    x = 7,244.11

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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.