Home / 4,727.52-7,091.28-1,264.50

Finding the Fourth Proportional to 4,727.52, 7,091.28 and 1,264.50

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Solution

The fourth proportional to 4,727.52, 7,091.28 and 1,264.50 is: 1,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.52 : 7,091.28 = 1,264.50 : x
  2. Step 2: Convert to fraction form
    4,727.52/7,091.28 = 1,264.50/x
  3. Step 3: Cross multiply
    4,727.52x = 7,091.28 × 1,264.50
  4. Step 4: Simplify right side
    4,727.52x = 8,966,923.56
  5. Step 5: Solve for x
    x = 8,966,923.56/4,727.52
  6. Step 6: Final answer
    x = 1,896.75

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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.