Home / 4,740.56-7,118.84-3,959.76

Finding the Fourth Proportional to 4,740.56, 7,118.84 and 3,959.76

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Solution

The fourth proportional to 4,740.56, 7,118.84 and 3,959.76 is: 5,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.56 : 7,118.84 = 3,959.76 : x
  2. Step 2: Convert to fraction form
    4,740.56/7,118.84 = 3,959.76/x
  3. Step 3: Cross multiply
    4,740.56x = 7,118.84 × 3,959.76
  4. Step 4: Simplify right side
    4,740.56x = 28,188,897.88
  5. Step 5: Solve for x
    x = 28,188,897.88/4,740.56
  6. Step 6: Final answer
    x = 5,946.32

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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.