Home / 5,010.69-7,515.81-1,723.80

Finding the Fourth Proportional to 5,010.69, 7,515.81 and 1,723.80

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Solution

The fourth proportional to 5,010.69, 7,515.81 and 1,723.80 is: 2,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.69 : 7,515.81 = 1,723.80 : x
  2. Step 2: Convert to fraction form
    5,010.69/7,515.81 = 1,723.80/x
  3. Step 3: Cross multiply
    5,010.69x = 7,515.81 × 1,723.80
  4. Step 4: Simplify right side
    5,010.69x = 12,955,753.28
  5. Step 5: Solve for x
    x = 12,955,753.28/5,010.69
  6. Step 6: Final answer
    x = 2,585.62

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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.