Home / 7,182.02-10,766.65-2,798.45

Finding the Fourth Proportional to 7,182.02, 10,766.65 and 2,798.45

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Solution

The fourth proportional to 7,182.02, 10,766.65 and 2,798.45 is: 4,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.02 : 10,766.65 = 2,798.45 : x
  2. Step 2: Convert to fraction form
    7,182.02/10,766.65 = 2,798.45/x
  3. Step 3: Cross multiply
    7,182.02x = 10,766.65 × 2,798.45
  4. Step 4: Simplify right side
    7,182.02x = 30,129,908.61
  5. Step 5: Solve for x
    x = 30,129,908.61/7,182.02
  6. Step 6: Final answer
    x = 4,195.19

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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.