Home / 8,320.24-12,488.16-5,548.84

Finding the Fourth Proportional to 8,320.24, 12,488.16 and 5,548.84

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Solution

The fourth proportional to 8,320.24, 12,488.16 and 5,548.84 is: 8,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.24 : 12,488.16 = 5,548.84 : x
  2. Step 2: Convert to fraction form
    8,320.24/12,488.16 = 5,548.84/x
  3. Step 3: Cross multiply
    8,320.24x = 12,488.16 × 5,548.84
  4. Step 4: Simplify right side
    8,320.24x = 69,294,801.73
  5. Step 5: Solve for x
    x = 69,294,801.73/8,320.24
  6. Step 6: Final answer
    x = 8,328.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.