Home / 5,119.02-7,668.50-2,655.46

Finding the Fourth Proportional to 5,119.02, 7,668.50 and 2,655.46

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Solution

The fourth proportional to 5,119.02, 7,668.50 and 2,655.46 is: 3,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.02 : 7,668.50 = 2,655.46 : x
  2. Step 2: Convert to fraction form
    5,119.02/7,668.50 = 2,655.46/x
  3. Step 3: Cross multiply
    5,119.02x = 7,668.50 × 2,655.46
  4. Step 4: Simplify right side
    5,119.02x = 20,363,395.01
  5. Step 5: Solve for x
    x = 20,363,395.01/5,119.02
  6. Step 6: Final answer
    x = 3,977.99

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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.