Home / 9,180.51-12,669.35-4,988.76

Finding the Fourth Proportional to 9,180.51, 12,669.35 and 4,988.76

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Solution

The fourth proportional to 9,180.51, 12,669.35 and 4,988.76 is: 6,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.51 : 12,669.35 = 4,988.76 : x
  2. Step 2: Convert to fraction form
    9,180.51/12,669.35 = 4,988.76/x
  3. Step 3: Cross multiply
    9,180.51x = 12,669.35 × 4,988.76
  4. Step 4: Simplify right side
    9,180.51x = 63,204,321.56
  5. Step 5: Solve for x
    x = 63,204,321.56/9,180.51
  6. Step 6: Final answer
    x = 6,884.62

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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.