Home / 7,639.07-10,541.97-4,454.55

Finding the Fourth Proportional to 7,639.07, 10,541.97 and 4,454.55

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Solution

The fourth proportional to 7,639.07, 10,541.97 and 4,454.55 is: 6,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.07 : 10,541.97 = 4,454.55 : x
  2. Step 2: Convert to fraction form
    7,639.07/10,541.97 = 4,454.55/x
  3. Step 3: Cross multiply
    7,639.07x = 10,541.97 × 4,454.55
  4. Step 4: Simplify right side
    7,639.07x = 46,959,732.46
  5. Step 5: Solve for x
    x = 46,959,732.46/7,639.07
  6. Step 6: Final answer
    x = 6,147.31

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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.