Home / 7,042.13-9,718.00-4,057.79

Finding the Fourth Proportional to 7,042.13, 9,718.00 and 4,057.79

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Solution

The fourth proportional to 7,042.13, 9,718.00 and 4,057.79 is: 5,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.13 : 9,718.00 = 4,057.79 : x
  2. Step 2: Convert to fraction form
    7,042.13/9,718.00 = 4,057.79/x
  3. Step 3: Cross multiply
    7,042.13x = 9,718.00 × 4,057.79
  4. Step 4: Simplify right side
    7,042.13x = 39,433,544.49
  5. Step 5: Solve for x
    x = 39,433,544.49/7,042.13
  6. Step 6: Final answer
    x = 5,599.66

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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.