Home / 7,010.29-10,515.45-2,079.94

Finding the Fourth Proportional to 7,010.29, 10,515.45 and 2,079.94

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Solution

The fourth proportional to 7,010.29, 10,515.45 and 2,079.94 is: 3,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.29 : 10,515.45 = 2,079.94 : x
  2. Step 2: Convert to fraction form
    7,010.29/10,515.45 = 2,079.94/x
  3. Step 3: Cross multiply
    7,010.29x = 10,515.45 × 2,079.94
  4. Step 4: Simplify right side
    7,010.29x = 21,871,505.07
  5. Step 5: Solve for x
    x = 21,871,505.07/7,010.29
  6. Step 6: Final answer
    x = 3,119.91

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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.