Home / 8,325.18-11,488.43-4,789.53

Finding the Fourth Proportional to 8,325.18, 11,488.43 and 4,789.53

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Solution

The fourth proportional to 8,325.18, 11,488.43 and 4,789.53 is: 6,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.18 : 11,488.43 = 4,789.53 : x
  2. Step 2: Convert to fraction form
    8,325.18/11,488.43 = 4,789.53/x
  3. Step 3: Cross multiply
    8,325.18x = 11,488.43 × 4,789.53
  4. Step 4: Simplify right side
    8,325.18x = 55,024,192.11
  5. Step 5: Solve for x
    x = 55,024,192.11/8,325.18
  6. Step 6: Final answer
    x = 6,609.37

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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.