Home / 4,740.80-6,542.78-3,253.64

Finding the Fourth Proportional to 4,740.80, 6,542.78 and 3,253.64

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Solution

The fourth proportional to 4,740.80, 6,542.78 and 3,253.64 is: 4,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.80 : 6,542.78 = 3,253.64 : x
  2. Step 2: Convert to fraction form
    4,740.80/6,542.78 = 3,253.64/x
  3. Step 3: Cross multiply
    4,740.80x = 6,542.78 × 3,253.64
  4. Step 4: Simplify right side
    4,740.80x = 21,287,801.74
  5. Step 5: Solve for x
    x = 21,287,801.74/4,740.80
  6. Step 6: Final answer
    x = 4,490.34

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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.