Home / 5,043.71-6,960.40-2,775.15

Finding the Fourth Proportional to 5,043.71, 6,960.40 and 2,775.15

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Solution

The fourth proportional to 5,043.71, 6,960.40 and 2,775.15 is: 3,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.71 : 6,960.40 = 2,775.15 : x
  2. Step 2: Convert to fraction form
    5,043.71/6,960.40 = 2,775.15/x
  3. Step 3: Cross multiply
    5,043.71x = 6,960.40 × 2,775.15
  4. Step 4: Simplify right side
    5,043.71x = 19,316,147.12
  5. Step 5: Solve for x
    x = 19,316,147.12/5,043.71
  6. Step 6: Final answer
    x = 3,829.75

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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.