Home / 4,127.49-6,186.38-2,888.19

Finding the Fourth Proportional to 4,127.49, 6,186.38 and 2,888.19

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Solution

The fourth proportional to 4,127.49, 6,186.38 and 2,888.19 is: 4,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.49 : 6,186.38 = 2,888.19 : x
  2. Step 2: Convert to fraction form
    4,127.49/6,186.38 = 2,888.19/x
  3. Step 3: Cross multiply
    4,127.49x = 6,186.38 × 2,888.19
  4. Step 4: Simplify right side
    4,127.49x = 17,867,426.41
  5. Step 5: Solve for x
    x = 17,867,426.41/4,127.49
  6. Step 6: Final answer
    x = 4,328.88

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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.