Home / 5,035-6,948.48-2,938.72

Finding the Fourth Proportional to 5,035, 6,948.48 and 2,938.72

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Solution

The fourth proportional to 5,035, 6,948.48 and 2,938.72 is: 4,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035 : 6,948.48 = 2,938.72 : x
  2. Step 2: Convert to fraction form
    5,035/6,948.48 = 2,938.72/x
  3. Step 3: Cross multiply
    5,035x = 6,948.48 × 2,938.72
  4. Step 4: Simplify right side
    5,035x = 20,419,637.15
  5. Step 5: Solve for x
    x = 20,419,637.15/5,035
  6. Step 6: Final answer
    x = 4,055.54

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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.