Home / 8,548.08-12,750.30-7,760.64

Finding the Fourth Proportional to 8,548.08, 12,750.30 and 7,760.64

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Solution

The fourth proportional to 8,548.08, 12,750.30 and 7,760.64 is: 11,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.08 : 12,750.30 = 7,760.64 : x
  2. Step 2: Convert to fraction form
    8,548.08/12,750.30 = 7,760.64/x
  3. Step 3: Cross multiply
    8,548.08x = 12,750.30 × 7,760.64
  4. Step 4: Simplify right side
    8,548.08x = 98,950,488.19
  5. Step 5: Solve for x
    x = 98,950,488.19/8,548.08
  6. Step 6: Final answer
    x = 11,575.76

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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.