Home / 9,570.78-13,207.68-5,379.03

Finding the Fourth Proportional to 9,570.78, 13,207.68 and 5,379.03

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Solution

The fourth proportional to 9,570.78, 13,207.68 and 5,379.03 is: 7,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.78 : 13,207.68 = 5,379.03 : x
  2. Step 2: Convert to fraction form
    9,570.78/13,207.68 = 5,379.03/x
  3. Step 3: Cross multiply
    9,570.78x = 13,207.68 × 5,379.03
  4. Step 4: Simplify right side
    9,570.78x = 71,044,516.74
  5. Step 5: Solve for x
    x = 71,044,516.74/9,570.78
  6. Step 6: Final answer
    x = 7,423.06

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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.