Home / 7,312.69-10,091.51-4,126.66

Finding the Fourth Proportional to 7,312.69, 10,091.51 and 4,126.66

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Solution

The fourth proportional to 7,312.69, 10,091.51 and 4,126.66 is: 5,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.69 : 10,091.51 = 4,126.66 : x
  2. Step 2: Convert to fraction form
    7,312.69/10,091.51 = 4,126.66/x
  3. Step 3: Cross multiply
    7,312.69x = 10,091.51 × 4,126.66
  4. Step 4: Simplify right side
    7,312.69x = 41,644,159.57
  5. Step 5: Solve for x
    x = 41,644,159.57/7,312.69
  6. Step 6: Final answer
    x = 5,694.78

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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.