Home / 7,010.40-10,519.65-2,628.30

Finding the Fourth Proportional to 7,010.40, 10,519.65 and 2,628.30

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Solution

The fourth proportional to 7,010.40, 10,519.65 and 2,628.30 is: 3,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.40 : 10,519.65 = 2,628.30 : x
  2. Step 2: Convert to fraction form
    7,010.40/10,519.65 = 2,628.30/x
  3. Step 3: Cross multiply
    7,010.40x = 10,519.65 × 2,628.30
  4. Step 4: Simplify right side
    7,010.40x = 27,648,796.10
  5. Step 5: Solve for x
    x = 27,648,796.10/7,010.40
  6. Step 6: Final answer
    x = 3,943.97

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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.