Home / 5,048.89-7,574.37-2,127.20

Finding the Fourth Proportional to 5,048.89, 7,574.37 and 2,127.20

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Solution

The fourth proportional to 5,048.89, 7,574.37 and 2,127.20 is: 3,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.89 : 7,574.37 = 2,127.20 : x
  2. Step 2: Convert to fraction form
    5,048.89/7,574.37 = 2,127.20/x
  3. Step 3: Cross multiply
    5,048.89x = 7,574.37 × 2,127.20
  4. Step 4: Simplify right side
    5,048.89x = 16,112,187.47
  5. Step 5: Solve for x
    x = 16,112,187.47/5,048.89
  6. Step 6: Final answer
    x = 3,191.23

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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.