Home / 7,010.89-10,515.63-2,851.14

Finding the Fourth Proportional to 7,010.89, 10,515.63 and 2,851.14

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Solution

The fourth proportional to 7,010.89, 10,515.63 and 2,851.14 is: 4,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.89 : 10,515.63 = 2,851.14 : x
  2. Step 2: Convert to fraction form
    7,010.89/10,515.63 = 2,851.14/x
  3. Step 3: Cross multiply
    7,010.89x = 10,515.63 × 2,851.14
  4. Step 4: Simplify right side
    7,010.89x = 29,981,533.32
  5. Step 5: Solve for x
    x = 29,981,533.32/7,010.89
  6. Step 6: Final answer
    x = 4,276.42

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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.