Home / 7,018.20-9,685.83-4,034.16

Finding the Fourth Proportional to 7,018.20, 9,685.83 and 4,034.16

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Solution

The fourth proportional to 7,018.20, 9,685.83 and 4,034.16 is: 5,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.20 : 9,685.83 = 4,034.16 : x
  2. Step 2: Convert to fraction form
    7,018.20/9,685.83 = 4,034.16/x
  3. Step 3: Cross multiply
    7,018.20x = 9,685.83 × 4,034.16
  4. Step 4: Simplify right side
    7,018.20x = 39,074,187.95
  5. Step 5: Solve for x
    x = 39,074,187.95/7,018.20
  6. Step 6: Final answer
    x = 5,567.55

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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.