Home / 4,128.18-6,192.80-1,354.16

Finding the Fourth Proportional to 4,128.18, 6,192.80 and 1,354.16

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Solution

The fourth proportional to 4,128.18, 6,192.80 and 1,354.16 is: 2,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.18 : 6,192.80 = 1,354.16 : x
  2. Step 2: Convert to fraction form
    4,128.18/6,192.80 = 1,354.16/x
  3. Step 3: Cross multiply
    4,128.18x = 6,192.80 × 1,354.16
  4. Step 4: Simplify right side
    4,128.18x = 8,386,042.05
  5. Step 5: Solve for x
    x = 8,386,042.05/4,128.18
  6. Step 6: Final answer
    x = 2,031.41

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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.