Home / 5,146.40-7,708.80-4,045.52

Finding the Fourth Proportional to 5,146.40, 7,708.80 and 4,045.52

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Solution

The fourth proportional to 5,146.40, 7,708.80 and 4,045.52 is: 6,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.40 : 7,708.80 = 4,045.52 : x
  2. Step 2: Convert to fraction form
    5,146.40/7,708.80 = 4,045.52/x
  3. Step 3: Cross multiply
    5,146.40x = 7,708.80 × 4,045.52
  4. Step 4: Simplify right side
    5,146.40x = 31,186,104.58
  5. Step 5: Solve for x
    x = 31,186,104.58/5,146.40
  6. Step 6: Final answer
    x = 6,059.79

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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.