Home / 4,780.20-6,596.10-2,655.72

Finding the Fourth Proportional to 4,780.20, 6,596.10 and 2,655.72

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Solution

The fourth proportional to 4,780.20, 6,596.10 and 2,655.72 is: 3,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.20 : 6,596.10 = 2,655.72 : x
  2. Step 2: Convert to fraction form
    4,780.20/6,596.10 = 2,655.72/x
  3. Step 3: Cross multiply
    4,780.20x = 6,596.10 × 2,655.72
  4. Step 4: Simplify right side
    4,780.20x = 17,517,394.69
  5. Step 5: Solve for x
    x = 17,517,394.69/4,780.20
  6. Step 6: Final answer
    x = 3,664.57

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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.