Home / 7,180.18-9,907.02-4,154.83

Finding the Fourth Proportional to 7,180.18, 9,907.02 and 4,154.83

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Solution

The fourth proportional to 7,180.18, 9,907.02 and 4,154.83 is: 5,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.18 : 9,907.02 = 4,154.83 : x
  2. Step 2: Convert to fraction form
    7,180.18/9,907.02 = 4,154.83/x
  3. Step 3: Cross multiply
    7,180.18x = 9,907.02 × 4,154.83
  4. Step 4: Simplify right side
    7,180.18x = 41,161,959.14
  5. Step 5: Solve for x
    x = 41,161,959.14/7,180.18
  6. Step 6: Final answer
    x = 5,732.72

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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.