Home / 7,125.56-10,689.71-2,963.33

Finding the Fourth Proportional to 7,125.56, 10,689.71 and 2,963.33

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Solution

The fourth proportional to 7,125.56, 10,689.71 and 2,963.33 is: 4,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.56 : 10,689.71 = 2,963.33 : x
  2. Step 2: Convert to fraction form
    7,125.56/10,689.71 = 2,963.33/x
  3. Step 3: Cross multiply
    7,125.56x = 10,689.71 × 2,963.33
  4. Step 4: Simplify right side
    7,125.56x = 31,677,070.07
  5. Step 5: Solve for x
    x = 31,677,070.07/7,125.56
  6. Step 6: Final answer
    x = 4,445.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.