Home / 7,439.31-10,258.22-5,650.08

Finding the Fourth Proportional to 7,439.31, 10,258.22 and 5,650.08

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Solution

The fourth proportional to 7,439.31, 10,258.22 and 5,650.08 is: 7,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.31 : 10,258.22 = 5,650.08 : x
  2. Step 2: Convert to fraction form
    7,439.31/10,258.22 = 5,650.08/x
  3. Step 3: Cross multiply
    7,439.31x = 10,258.22 × 5,650.08
  4. Step 4: Simplify right side
    7,439.31x = 57,959,735.41
  5. Step 5: Solve for x
    x = 57,959,735.41/7,439.31
  6. Step 6: Final answer
    x = 7,791.01

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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.