Home / 4,780.74-7,173.89-2,007.20

Finding the Fourth Proportional to 4,780.74, 7,173.89 and 2,007.20

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Solution

The fourth proportional to 4,780.74, 7,173.89 and 2,007.20 is: 3,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.74 : 7,173.89 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    4,780.74/7,173.89 = 2,007.20/x
  3. Step 3: Cross multiply
    4,780.74x = 7,173.89 × 2,007.20
  4. Step 4: Simplify right side
    4,780.74x = 14,399,386.10
  5. Step 5: Solve for x
    x = 14,399,386.10/4,780.74
  6. Step 6: Final answer
    x = 3,011.96

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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.