Home / 7,522.05-10,375.29-5,160.09

Finding the Fourth Proportional to 7,522.05, 10,375.29 and 5,160.09

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Solution

The fourth proportional to 7,522.05, 10,375.29 and 5,160.09 is: 7,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.05 : 10,375.29 = 5,160.09 : x
  2. Step 2: Convert to fraction form
    7,522.05/10,375.29 = 5,160.09/x
  3. Step 3: Cross multiply
    7,522.05x = 10,375.29 × 5,160.09
  4. Step 4: Simplify right side
    7,522.05x = 53,537,430.18
  5. Step 5: Solve for x
    x = 53,537,430.18/7,522.05
  6. Step 6: Final answer
    x = 7,117.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.