Home / 4,272.71-6,407.81-1,807.48

Finding the Fourth Proportional to 4,272.71, 6,407.81 and 1,807.48

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Solution

The fourth proportional to 4,272.71, 6,407.81 and 1,807.48 is: 2,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.71 : 6,407.81 = 1,807.48 : x
  2. Step 2: Convert to fraction form
    4,272.71/6,407.81 = 1,807.48/x
  3. Step 3: Cross multiply
    4,272.71x = 6,407.81 × 1,807.48
  4. Step 4: Simplify right side
    4,272.71x = 11,581,947.34
  5. Step 5: Solve for x
    x = 11,581,947.34/4,272.71
  6. Step 6: Final answer
    x = 2,710.68

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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.