Home / 5,235.54-7,225.05-2,877.80

Finding the Fourth Proportional to 5,235.54, 7,225.05 and 2,877.80

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Solution

The fourth proportional to 5,235.54, 7,225.05 and 2,877.80 is: 3,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.54 : 7,225.05 = 2,877.80 : x
  2. Step 2: Convert to fraction form
    5,235.54/7,225.05 = 2,877.80/x
  3. Step 3: Cross multiply
    5,235.54x = 7,225.05 × 2,877.80
  4. Step 4: Simplify right side
    5,235.54x = 20,792,248.89
  5. Step 5: Solve for x
    x = 20,792,248.89/5,235.54
  6. Step 6: Final answer
    x = 3,971.37

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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.