Home / 4,227.40-6,341.78-1,305.02

Finding the Fourth Proportional to 4,227.40, 6,341.78 and 1,305.02

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Solution

The fourth proportional to 4,227.40, 6,341.78 and 1,305.02 is: 1,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.40 : 6,341.78 = 1,305.02 : x
  2. Step 2: Convert to fraction form
    4,227.40/6,341.78 = 1,305.02/x
  3. Step 3: Cross multiply
    4,227.40x = 6,341.78 × 1,305.02
  4. Step 4: Simplify right side
    4,227.40x = 8,276,111.50
  5. Step 5: Solve for x
    x = 8,276,111.50/4,227.40
  6. Step 6: Final answer
    x = 1,957.73

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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.