Home / 4,319.61-6,480.10-1,357.82

Finding the Fourth Proportional to 4,319.61, 6,480.10 and 1,357.82

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Solution

The fourth proportional to 4,319.61, 6,480.10 and 1,357.82 is: 2,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.61 : 6,480.10 = 1,357.82 : x
  2. Step 2: Convert to fraction form
    4,319.61/6,480.10 = 1,357.82/x
  3. Step 3: Cross multiply
    4,319.61x = 6,480.10 × 1,357.82
  4. Step 4: Simplify right side
    4,319.61x = 8,798,809.38
  5. Step 5: Solve for x
    x = 8,798,809.38/4,319.61
  6. Step 6: Final answer
    x = 2,036.95

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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.