Home / 4,727.72-7,091.57-1,264.88

Finding the Fourth Proportional to 4,727.72, 7,091.57 and 1,264.88

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Solution

The fourth proportional to 4,727.72, 7,091.57 and 1,264.88 is: 1,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.72 : 7,091.57 = 1,264.88 : x
  2. Step 2: Convert to fraction form
    4,727.72/7,091.57 = 1,264.88/x
  3. Step 3: Cross multiply
    4,727.72x = 7,091.57 × 1,264.88
  4. Step 4: Simplify right side
    4,727.72x = 8,969,985.06
  5. Step 5: Solve for x
    x = 8,969,985.06/4,727.72
  6. Step 6: Final answer
    x = 1,897.32

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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.