Home / 4,353.89-6,529.95-2,131.76

Finding the Fourth Proportional to 4,353.89, 6,529.95 and 2,131.76

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Solution

The fourth proportional to 4,353.89, 6,529.95 and 2,131.76 is: 3,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.89 : 6,529.95 = 2,131.76 : x
  2. Step 2: Convert to fraction form
    4,353.89/6,529.95 = 2,131.76/x
  3. Step 3: Cross multiply
    4,353.89x = 6,529.95 × 2,131.76
  4. Step 4: Simplify right side
    4,353.89x = 13,920,293.16
  5. Step 5: Solve for x
    x = 13,920,293.16/4,353.89
  6. Step 6: Final answer
    x = 3,197.21

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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.