Home / 4,754.95-7,132.44-1,292.20

Finding the Fourth Proportional to 4,754.95, 7,132.44 and 1,292.20

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Solution

The fourth proportional to 4,754.95, 7,132.44 and 1,292.20 is: 1,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.95 : 7,132.44 = 1,292.20 : x
  2. Step 2: Convert to fraction form
    4,754.95/7,132.44 = 1,292.20/x
  3. Step 3: Cross multiply
    4,754.95x = 7,132.44 × 1,292.20
  4. Step 4: Simplify right side
    4,754.95x = 9,216,558.83
  5. Step 5: Solve for x
    x = 9,216,558.83/4,754.95
  6. Step 6: Final answer
    x = 1,938.31

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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.