Home / 5,531.25-7,644.06-4,940.76

Finding the Fourth Proportional to 5,531.25, 7,644.06 and 4,940.76

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Solution

The fourth proportional to 5,531.25, 7,644.06 and 4,940.76 is: 6,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.25 : 7,644.06 = 4,940.76 : x
  2. Step 2: Convert to fraction form
    5,531.25/7,644.06 = 4,940.76/x
  3. Step 3: Cross multiply
    5,531.25x = 7,644.06 × 4,940.76
  4. Step 4: Simplify right side
    5,531.25x = 37,767,465.89
  5. Step 5: Solve for x
    x = 37,767,465.89/5,531.25
  6. Step 6: Final answer
    x = 6,828.02

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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.