Home / 7,615.74-10,513.66-5,253.78

Finding the Fourth Proportional to 7,615.74, 10,513.66 and 5,253.78

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Solution

The fourth proportional to 7,615.74, 10,513.66 and 5,253.78 is: 7,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.74 : 10,513.66 = 5,253.78 : x
  2. Step 2: Convert to fraction form
    7,615.74/10,513.66 = 5,253.78/x
  3. Step 3: Cross multiply
    7,615.74x = 10,513.66 × 5,253.78
  4. Step 4: Simplify right side
    7,615.74x = 55,236,456.63
  5. Step 5: Solve for x
    x = 55,236,456.63/7,615.74
  6. Step 6: Final answer
    x = 7,252.93

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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.