Home / 4,319.40-6,479.29-1,508.52

Finding the Fourth Proportional to 4,319.40, 6,479.29 and 1,508.52

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Solution

The fourth proportional to 4,319.40, 6,479.29 and 1,508.52 is: 2,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.40 : 6,479.29 = 1,508.52 : x
  2. Step 2: Convert to fraction form
    4,319.40/6,479.29 = 1,508.52/x
  3. Step 3: Cross multiply
    4,319.40x = 6,479.29 × 1,508.52
  4. Step 4: Simplify right side
    4,319.40x = 9,774,131.01
  5. Step 5: Solve for x
    x = 9,774,131.01/4,319.40
  6. Step 6: Final answer
    x = 2,262.84

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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.