Home / 5,320.04-7,974.78-3,125.80

Finding the Fourth Proportional to 5,320.04, 7,974.78 and 3,125.80

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Solution

The fourth proportional to 5,320.04, 7,974.78 and 3,125.80 is: 4,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.04 : 7,974.78 = 3,125.80 : x
  2. Step 2: Convert to fraction form
    5,320.04/7,974.78 = 3,125.80/x
  3. Step 3: Cross multiply
    5,320.04x = 7,974.78 × 3,125.80
  4. Step 4: Simplify right side
    5,320.04x = 24,927,567.32
  5. Step 5: Solve for x
    x = 24,927,567.32/5,320.04
  6. Step 6: Final answer
    x = 4,685.60

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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.