Home / 4,754.55-7,129.80-2,290.13

Finding the Fourth Proportional to 4,754.55, 7,129.80 and 2,290.13

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Solution

The fourth proportional to 4,754.55, 7,129.80 and 2,290.13 is: 3,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.55 : 7,129.80 = 2,290.13 : x
  2. Step 2: Convert to fraction form
    4,754.55/7,129.80 = 2,290.13/x
  3. Step 3: Cross multiply
    4,754.55x = 7,129.80 × 2,290.13
  4. Step 4: Simplify right side
    4,754.55x = 16,328,133.23
  5. Step 5: Solve for x
    x = 16,328,133.23/4,754.55
  6. Step 6: Final answer
    x = 3,434.21

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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.