Home / 7,042.06-10,555.57-2,357.78

Finding the Fourth Proportional to 7,042.06, 10,555.57 and 2,357.78

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Solution

The fourth proportional to 7,042.06, 10,555.57 and 2,357.78 is: 3,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.06 : 10,555.57 = 2,357.78 : x
  2. Step 2: Convert to fraction form
    7,042.06/10,555.57 = 2,357.78/x
  3. Step 3: Cross multiply
    7,042.06x = 10,555.57 × 2,357.78
  4. Step 4: Simplify right side
    7,042.06x = 24,887,648.74
  5. Step 5: Solve for x
    x = 24,887,648.74/7,042.06
  6. Step 6: Final answer
    x = 3,534.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.