Home / 4,272.46-6,411.39-1,807.36

Finding the Fourth Proportional to 4,272.46, 6,411.39 and 1,807.36

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Solution

The fourth proportional to 4,272.46, 6,411.39 and 1,807.36 is: 2,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.46 : 6,411.39 = 1,807.36 : x
  2. Step 2: Convert to fraction form
    4,272.46/6,411.39 = 1,807.36/x
  3. Step 3: Cross multiply
    4,272.46x = 6,411.39 × 1,807.36
  4. Step 4: Simplify right side
    4,272.46x = 11,587,689.83
  5. Step 5: Solve for x
    x = 11,587,689.83/4,272.46
  6. Step 6: Final answer
    x = 2,712.18

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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.