Home / 9,029.40-12,434.58-7,442.91

Finding the Fourth Proportional to 9,029.40, 12,434.58 and 7,442.91

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Solution

The fourth proportional to 9,029.40, 12,434.58 and 7,442.91 is: 10,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.40 : 12,434.58 = 7,442.91 : x
  2. Step 2: Convert to fraction form
    9,029.40/12,434.58 = 7,442.91/x
  3. Step 3: Cross multiply
    9,029.40x = 12,434.58 × 7,442.91
  4. Step 4: Simplify right side
    9,029.40x = 92,549,431.92
  5. Step 5: Solve for x
    x = 92,549,431.92/9,029.40
  6. Step 6: Final answer
    x = 10,249.79

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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.