Home / 8,130.17-11,228.89-5,472.97

Finding the Fourth Proportional to 8,130.17, 11,228.89 and 5,472.97

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Solution

The fourth proportional to 8,130.17, 11,228.89 and 5,472.97 is: 7,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.17 : 11,228.89 = 5,472.97 : x
  2. Step 2: Convert to fraction form
    8,130.17/11,228.89 = 5,472.97/x
  3. Step 3: Cross multiply
    8,130.17x = 11,228.89 × 5,472.97
  4. Step 4: Simplify right side
    8,130.17x = 61,455,378.10
  5. Step 5: Solve for x
    x = 61,455,378.10/8,130.17
  6. Step 6: Final answer
    x = 7,558.93

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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.