Home / 4,437.28-6,655.95-2,121.76

Finding the Fourth Proportional to 4,437.28, 6,655.95 and 2,121.76

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Solution

The fourth proportional to 4,437.28, 6,655.95 and 2,121.76 is: 3,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.28 : 6,655.95 = 2,121.76 : x
  2. Step 2: Convert to fraction form
    4,437.28/6,655.95 = 2,121.76/x
  3. Step 3: Cross multiply
    4,437.28x = 6,655.95 × 2,121.76
  4. Step 4: Simplify right side
    4,437.28x = 14,122,328.47
  5. Step 5: Solve for x
    x = 14,122,328.47/4,437.28
  6. Step 6: Final answer
    x = 3,182.65

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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.