Home / 4,780.57-7,160.45-2,310.19

Finding the Fourth Proportional to 4,780.57, 7,160.45 and 2,310.19

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Solution

The fourth proportional to 4,780.57, 7,160.45 and 2,310.19 is: 3,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.57 : 7,160.45 = 2,310.19 : x
  2. Step 2: Convert to fraction form
    4,780.57/7,160.45 = 2,310.19/x
  3. Step 3: Cross multiply
    4,780.57x = 7,160.45 × 2,310.19
  4. Step 4: Simplify right side
    4,780.57x = 16,541,983.53
  5. Step 5: Solve for x
    x = 16,541,983.53/4,780.57
  6. Step 6: Final answer
    x = 3,460.25

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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.