Home / 4,728.77-7,101.05-2,953.95

Finding the Fourth Proportional to 4,728.77, 7,101.05 and 2,953.95

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Solution

The fourth proportional to 4,728.77, 7,101.05 and 2,953.95 is: 4,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.77 : 7,101.05 = 2,953.95 : x
  2. Step 2: Convert to fraction form
    4,728.77/7,101.05 = 2,953.95/x
  3. Step 3: Cross multiply
    4,728.77x = 7,101.05 × 2,953.95
  4. Step 4: Simplify right side
    4,728.77x = 20,976,188.32
  5. Step 5: Solve for x
    x = 20,976,188.32/4,728.77
  6. Step 6: Final answer
    x = 4,435.87

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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.