Home / 9,050.28-12,488.88-5,512.80

Finding the Fourth Proportional to 9,050.28, 12,488.88 and 5,512.80

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Solution

The fourth proportional to 9,050.28, 12,488.88 and 5,512.80 is: 7,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.28 : 12,488.88 = 5,512.80 : x
  2. Step 2: Convert to fraction form
    9,050.28/12,488.88 = 5,512.80/x
  3. Step 3: Cross multiply
    9,050.28x = 12,488.88 × 5,512.80
  4. Step 4: Simplify right side
    9,050.28x = 68,848,697.66
  5. Step 5: Solve for x
    x = 68,848,697.66/9,050.28
  6. Step 6: Final answer
    x = 7,607.36

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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.