Home / 4,681.47-7,049.91-4,072.54

Finding the Fourth Proportional to 4,681.47, 7,049.91 and 4,072.54

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Solution

The fourth proportional to 4,681.47, 7,049.91 and 4,072.54 is: 6,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.47 : 7,049.91 = 4,072.54 : x
  2. Step 2: Convert to fraction form
    4,681.47/7,049.91 = 4,072.54/x
  3. Step 3: Cross multiply
    4,681.47x = 7,049.91 × 4,072.54
  4. Step 4: Simplify right side
    4,681.47x = 28,711,040.47
  5. Step 5: Solve for x
    x = 28,711,040.47/4,681.47
  6. Step 6: Final answer
    x = 6,132.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.