Home / 5,171.04-7,756.56-4,762.80

Finding the Fourth Proportional to 5,171.04, 7,756.56 and 4,762.80

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Solution

The fourth proportional to 5,171.04, 7,756.56 and 4,762.80 is: 7,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.04 : 7,756.56 = 4,762.80 : x
  2. Step 2: Convert to fraction form
    5,171.04/7,756.56 = 4,762.80/x
  3. Step 3: Cross multiply
    5,171.04x = 7,756.56 × 4,762.80
  4. Step 4: Simplify right side
    5,171.04x = 36,942,943.97
  5. Step 5: Solve for x
    x = 36,942,943.97/5,171.04
  6. Step 6: Final answer
    x = 7,144.20

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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.