Home / 4,387.69-6,579.90-1,266.64

Finding the Fourth Proportional to 4,387.69, 6,579.90 and 1,266.64

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Solution

The fourth proportional to 4,387.69, 6,579.90 and 1,266.64 is: 1,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.69 : 6,579.90 = 1,266.64 : x
  2. Step 2: Convert to fraction form
    4,387.69/6,579.90 = 1,266.64/x
  3. Step 3: Cross multiply
    4,387.69x = 6,579.90 × 1,266.64
  4. Step 4: Simplify right side
    4,387.69x = 8,334,364.54
  5. Step 5: Solve for x
    x = 8,334,364.54/4,387.69
  6. Step 6: Final answer
    x = 1,899.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.