Home / 8,886.34-12,265.53-5,109.92

Finding the Fourth Proportional to 8,886.34, 12,265.53 and 5,109.92

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Solution

The fourth proportional to 8,886.34, 12,265.53 and 5,109.92 is: 7,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.34 : 12,265.53 = 5,109.92 : x
  2. Step 2: Convert to fraction form
    8,886.34/12,265.53 = 5,109.92/x
  3. Step 3: Cross multiply
    8,886.34x = 12,265.53 × 5,109.92
  4. Step 4: Simplify right side
    8,886.34x = 62,675,842.56
  5. Step 5: Solve for x
    x = 62,675,842.56/8,886.34
  6. Step 6: Final answer
    x = 7,053.05

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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.