Home / 5,576.47-7,685.52-4,578.55

Finding the Fourth Proportional to 5,576.47, 7,685.52 and 4,578.55

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Solution

The fourth proportional to 5,576.47, 7,685.52 and 4,578.55 is: 6,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.47 : 7,685.52 = 4,578.55 : x
  2. Step 2: Convert to fraction form
    5,576.47/7,685.52 = 4,578.55/x
  3. Step 3: Cross multiply
    5,576.47x = 7,685.52 × 4,578.55
  4. Step 4: Simplify right side
    5,576.47x = 35,188,537.60
  5. Step 5: Solve for x
    x = 35,188,537.60/5,576.47
  6. Step 6: Final answer
    x = 6,310.18

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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.