Home / 5,973.15-8,960.85-1,970.78

Finding the Fourth Proportional to 5,973.15, 8,960.85 and 1,970.78

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Solution

The fourth proportional to 5,973.15, 8,960.85 and 1,970.78 is: 2,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.15 : 8,960.85 = 1,970.78 : x
  2. Step 2: Convert to fraction form
    5,973.15/8,960.85 = 1,970.78/x
  3. Step 3: Cross multiply
    5,973.15x = 8,960.85 × 1,970.78
  4. Step 4: Simplify right side
    5,973.15x = 17,659,826.55
  5. Step 5: Solve for x
    x = 17,659,826.55/5,973.15
  6. Step 6: Final answer
    x = 2,956.54

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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.