Home / 4,860.30-7,289.73-1,742.70

Finding the Fourth Proportional to 4,860.30, 7,289.73 and 1,742.70

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Solution

The fourth proportional to 4,860.30, 7,289.73 and 1,742.70 is: 2,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.30 : 7,289.73 = 1,742.70 : x
  2. Step 2: Convert to fraction form
    4,860.30/7,289.73 = 1,742.70/x
  3. Step 3: Cross multiply
    4,860.30x = 7,289.73 × 1,742.70
  4. Step 4: Simplify right side
    4,860.30x = 12,703,812.47
  5. Step 5: Solve for x
    x = 12,703,812.47/4,860.30
  6. Step 6: Final answer
    x = 2,613.79

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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.