Home / 7,386.34-10,197.96-5,704.78

Finding the Fourth Proportional to 7,386.34, 10,197.96 and 5,704.78

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Solution

The fourth proportional to 7,386.34, 10,197.96 and 5,704.78 is: 7,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.34 : 10,197.96 = 5,704.78 : x
  2. Step 2: Convert to fraction form
    7,386.34/10,197.96 = 5,704.78/x
  3. Step 3: Cross multiply
    7,386.34x = 10,197.96 × 5,704.78
  4. Step 4: Simplify right side
    7,386.34x = 58,177,118.25
  5. Step 5: Solve for x
    x = 58,177,118.25/7,386.34
  6. Step 6: Final answer
    x = 7,876.31

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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.