Home / 10,338.59-15,510.77-3,319.00

Finding the Fourth Proportional to 10,338.59, 15,510.77 and 3,319.00

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Solution

The fourth proportional to 10,338.59, 15,510.77 and 3,319.00 is: 4,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.59 : 15,510.77 = 3,319.00 : x
  2. Step 2: Convert to fraction form
    10,338.59/15,510.77 = 3,319.00/x
  3. Step 3: Cross multiply
    10,338.59x = 15,510.77 × 3,319.00
  4. Step 4: Simplify right side
    10,338.59x = 51,480,236.99
  5. Step 5: Solve for x
    x = 51,480,236.99/10,338.59
  6. Step 6: Final answer
    x = 4,979.43

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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.