Home / 5,010.16-7,515.44-1,889.84

Finding the Fourth Proportional to 5,010.16, 7,515.44 and 1,889.84

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Solution

The fourth proportional to 5,010.16, 7,515.44 and 1,889.84 is: 2,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.16 : 7,515.44 = 1,889.84 : x
  2. Step 2: Convert to fraction form
    5,010.16/7,515.44 = 1,889.84/x
  3. Step 3: Cross multiply
    5,010.16x = 7,515.44 × 1,889.84
  4. Step 4: Simplify right side
    5,010.16x = 14,202,979.13
  5. Step 5: Solve for x
    x = 14,202,979.13/5,010.16
  6. Step 6: Final answer
    x = 2,834.84

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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.