Home / 7,456.85-10,290.73-4,270.64

Finding the Fourth Proportional to 7,456.85, 10,290.73 and 4,270.64

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Solution

The fourth proportional to 7,456.85, 10,290.73 and 4,270.64 is: 5,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.85 : 10,290.73 = 4,270.64 : x
  2. Step 2: Convert to fraction form
    7,456.85/10,290.73 = 4,270.64/x
  3. Step 3: Cross multiply
    7,456.85x = 10,290.73 × 4,270.64
  4. Step 4: Simplify right side
    7,456.85x = 43,948,003.17
  5. Step 5: Solve for x
    x = 43,948,003.17/7,456.85
  6. Step 6: Final answer
    x = 5,893.64

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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.