Home / 5,235.56-7,225.44-2,877.72

Finding the Fourth Proportional to 5,235.56, 7,225.44 and 2,877.72

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Solution

The fourth proportional to 5,235.56, 7,225.44 and 2,877.72 is: 3,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.56 : 7,225.44 = 2,877.72 : x
  2. Step 2: Convert to fraction form
    5,235.56/7,225.44 = 2,877.72/x
  3. Step 3: Cross multiply
    5,235.56x = 7,225.44 × 2,877.72
  4. Step 4: Simplify right side
    5,235.56x = 20,792,793.20
  5. Step 5: Solve for x
    x = 20,792,793.20/5,235.56
  6. Step 6: Final answer
    x = 3,971.46

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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.