Home / 5,320.89-7,974.86-3,095.55

Finding the Fourth Proportional to 5,320.89, 7,974.86 and 3,095.55

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Solution

The fourth proportional to 5,320.89, 7,974.86 and 3,095.55 is: 4,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.89 : 7,974.86 = 3,095.55 : x
  2. Step 2: Convert to fraction form
    5,320.89/7,974.86 = 3,095.55/x
  3. Step 3: Cross multiply
    5,320.89x = 7,974.86 × 3,095.55
  4. Step 4: Simplify right side
    5,320.89x = 24,686,562.40
  5. Step 5: Solve for x
    x = 24,686,562.40/5,320.89
  6. Step 6: Final answer
    x = 4,639.56

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1.5x scale

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.