Home / 4,397.86-6,601.34-2,947.15

Finding the Fourth Proportional to 4,397.86, 6,601.34 and 2,947.15

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Solution

The fourth proportional to 4,397.86, 6,601.34 and 2,947.15 is: 4,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.86 : 6,601.34 = 2,947.15 : x
  2. Step 2: Convert to fraction form
    4,397.86/6,601.34 = 2,947.15/x
  3. Step 3: Cross multiply
    4,397.86x = 6,601.34 × 2,947.15
  4. Step 4: Simplify right side
    4,397.86x = 19,455,139.18
  5. Step 5: Solve for x
    x = 19,455,139.18/4,397.86
  6. Step 6: Final answer
    x = 4,423.77

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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.