Home / 9,261.22-12,780.38-5,012.19

Finding the Fourth Proportional to 9,261.22, 12,780.38 and 5,012.19

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Solution

The fourth proportional to 9,261.22, 12,780.38 and 5,012.19 is: 6,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.22 : 12,780.38 = 5,012.19 : x
  2. Step 2: Convert to fraction form
    9,261.22/12,780.38 = 5,012.19/x
  3. Step 3: Cross multiply
    9,261.22x = 12,780.38 × 5,012.19
  4. Step 4: Simplify right side
    9,261.22x = 64,057,628.93
  5. Step 5: Solve for x
    x = 64,057,628.93/9,261.22
  6. Step 6: Final answer
    x = 6,916.76

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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.