Home / 8,809.41-12,160.80-5,271.96

Finding the Fourth Proportional to 8,809.41, 12,160.80 and 5,271.96

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Solution

The fourth proportional to 8,809.41, 12,160.80 and 5,271.96 is: 7,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.41 : 12,160.80 = 5,271.96 : x
  2. Step 2: Convert to fraction form
    8,809.41/12,160.80 = 5,271.96/x
  3. Step 3: Cross multiply
    8,809.41x = 12,160.80 × 5,271.96
  4. Step 4: Simplify right side
    8,809.41x = 64,111,251.17
  5. Step 5: Solve for x
    x = 64,111,251.17/8,809.41
  6. Step 6: Final answer
    x = 7,277.59

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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.