Home / 6,422.74-8,866.61-4,036.18

Finding the Fourth Proportional to 6,422.74, 8,866.61 and 4,036.18

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Solution

The fourth proportional to 6,422.74, 8,866.61 and 4,036.18 is: 5,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.74 : 8,866.61 = 4,036.18 : x
  2. Step 2: Convert to fraction form
    6,422.74/8,866.61 = 4,036.18/x
  3. Step 3: Cross multiply
    6,422.74x = 8,866.61 × 4,036.18
  4. Step 4: Simplify right side
    6,422.74x = 35,787,246.07
  5. Step 5: Solve for x
    x = 35,787,246.07/6,422.74
  6. Step 6: Final answer
    x = 5,571.96

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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.