Home / 8,129.55-11,228.03-5,472.35

Finding the Fourth Proportional to 8,129.55, 11,228.03 and 5,472.35

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Solution

The fourth proportional to 8,129.55, 11,228.03 and 5,472.35 is: 7,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.55 : 11,228.03 = 5,472.35 : x
  2. Step 2: Convert to fraction form
    8,129.55/11,228.03 = 5,472.35/x
  3. Step 3: Cross multiply
    8,129.55x = 11,228.03 × 5,472.35
  4. Step 4: Simplify right side
    8,129.55x = 61,443,626.47
  5. Step 5: Solve for x
    x = 61,443,626.47/8,129.55
  6. Step 6: Final answer
    x = 7,558.06

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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.