Home / 7,010.03-10,515.25-1,815.91

Finding the Fourth Proportional to 7,010.03, 10,515.25 and 1,815.91

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Solution

The fourth proportional to 7,010.03, 10,515.25 and 1,815.91 is: 2,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.03 : 10,515.25 = 1,815.91 : x
  2. Step 2: Convert to fraction form
    7,010.03/10,515.25 = 1,815.91/x
  3. Step 3: Cross multiply
    7,010.03x = 10,515.25 × 1,815.91
  4. Step 4: Simplify right side
    7,010.03x = 19,094,747.63
  5. Step 5: Solve for x
    x = 19,094,747.63/7,010.03
  6. Step 6: Final answer
    x = 2,723.92

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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.