Home / 8,660.52-11,948.69-5,299.83

Finding the Fourth Proportional to 8,660.52, 11,948.69 and 5,299.83

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Solution

The fourth proportional to 8,660.52, 11,948.69 and 5,299.83 is: 7,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.52 : 11,948.69 = 5,299.83 : x
  2. Step 2: Convert to fraction form
    8,660.52/11,948.69 = 5,299.83/x
  3. Step 3: Cross multiply
    8,660.52x = 11,948.69 × 5,299.83
  4. Step 4: Simplify right side
    8,660.52x = 63,325,999.22
  5. Step 5: Solve for x
    x = 63,325,999.22/8,660.52
  6. Step 6: Final answer
    x = 7,312.03

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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.