Home / 4,066.80-5,581.02-3,807.60

Finding the Fourth Proportional to 4,066.80, 5,581.02 and 3,807.60

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Solution

The fourth proportional to 4,066.80, 5,581.02 and 3,807.60 is: 5,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.80 : 5,581.02 = 3,807.60 : x
  2. Step 2: Convert to fraction form
    4,066.80/5,581.02 = 3,807.60/x
  3. Step 3: Cross multiply
    4,066.80x = 5,581.02 × 3,807.60
  4. Step 4: Simplify right side
    4,066.80x = 21,250,291.75
  5. Step 5: Solve for x
    x = 21,250,291.75/4,066.80
  6. Step 6: Final answer
    x = 5,225.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.