Home / 4,969.80-6,851.88-3,555.72

Finding the Fourth Proportional to 4,969.80, 6,851.88 and 3,555.72

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Solution

The fourth proportional to 4,969.80, 6,851.88 and 3,555.72 is: 4,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.80 : 6,851.88 = 3,555.72 : x
  2. Step 2: Convert to fraction form
    4,969.80/6,851.88 = 3,555.72/x
  3. Step 3: Cross multiply
    4,969.80x = 6,851.88 × 3,555.72
  4. Step 4: Simplify right side
    4,969.80x = 24,363,366.75
  5. Step 5: Solve for x
    x = 24,363,366.75/4,969.80
  6. Step 6: Final answer
    x = 4,902.28

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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.