Home / 6,642.20-9,164.56-4,281.52

Finding the Fourth Proportional to 6,642.20, 9,164.56 and 4,281.52

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Solution

The fourth proportional to 6,642.20, 9,164.56 and 4,281.52 is: 5,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.20 : 9,164.56 = 4,281.52 : x
  2. Step 2: Convert to fraction form
    6,642.20/9,164.56 = 4,281.52/x
  3. Step 3: Cross multiply
    6,642.20x = 9,164.56 × 4,281.52
  4. Step 4: Simplify right side
    6,642.20x = 39,238,246.93
  5. Step 5: Solve for x
    x = 39,238,246.93/6,642.20
  6. Step 6: Final answer
    x = 5,907.42

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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.