Home / 4,699.90-6,479.28-3,281.56

Finding the Fourth Proportional to 4,699.90, 6,479.28 and 3,281.56

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Solution

The fourth proportional to 4,699.90, 6,479.28 and 3,281.56 is: 4,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.90 : 6,479.28 = 3,281.56 : x
  2. Step 2: Convert to fraction form
    4,699.90/6,479.28 = 3,281.56/x
  3. Step 3: Cross multiply
    4,699.90x = 6,479.28 × 3,281.56
  4. Step 4: Simplify right side
    4,699.90x = 21,262,146.08
  5. Step 5: Solve for x
    x = 21,262,146.08/4,699.90
  6. Step 6: Final answer
    x = 4,523.96

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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.