Home / 7,073.36-10,609.76-2,912.22

Finding the Fourth Proportional to 7,073.36, 10,609.76 and 2,912.22

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Solution

The fourth proportional to 7,073.36, 10,609.76 and 2,912.22 is: 4,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.36 : 10,609.76 = 2,912.22 : x
  2. Step 2: Convert to fraction form
    7,073.36/10,609.76 = 2,912.22/x
  3. Step 3: Cross multiply
    7,073.36x = 10,609.76 × 2,912.22
  4. Step 4: Simplify right side
    7,073.36x = 30,897,955.27
  5. Step 5: Solve for x
    x = 30,897,955.27/7,073.36
  6. Step 6: Final answer
    x = 4,368.21

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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.