Home / 4,575.64-6,871.05-2,855.20

Finding the Fourth Proportional to 4,575.64, 6,871.05 and 2,855.20

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Solution

The fourth proportional to 4,575.64, 6,871.05 and 2,855.20 is: 4,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.64 : 6,871.05 = 2,855.20 : x
  2. Step 2: Convert to fraction form
    4,575.64/6,871.05 = 2,855.20/x
  3. Step 3: Cross multiply
    4,575.64x = 6,871.05 × 2,855.20
  4. Step 4: Simplify right side
    4,575.64x = 19,618,197.64
  5. Step 5: Solve for x
    x = 19,618,197.64/4,575.64
  6. Step 6: Final answer
    x = 4,287.53

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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.