Home / 4,780.28-6,599.19-2,988.76

Finding the Fourth Proportional to 4,780.28, 6,599.19 and 2,988.76

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Solution

The fourth proportional to 4,780.28, 6,599.19 and 2,988.76 is: 4,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.28 : 6,599.19 = 2,988.76 : x
  2. Step 2: Convert to fraction form
    4,780.28/6,599.19 = 2,988.76/x
  3. Step 3: Cross multiply
    4,780.28x = 6,599.19 × 2,988.76
  4. Step 4: Simplify right side
    4,780.28x = 19,723,366.82
  5. Step 5: Solve for x
    x = 19,723,366.82/4,780.28
  6. Step 6: Final answer
    x = 4,125.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.