Home / 4,987.08-7,467.24-2,789.55

Finding the Fourth Proportional to 4,987.08, 7,467.24 and 2,789.55

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Solution

The fourth proportional to 4,987.08, 7,467.24 and 2,789.55 is: 4,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.08 : 7,467.24 = 2,789.55 : x
  2. Step 2: Convert to fraction form
    4,987.08/7,467.24 = 2,789.55/x
  3. Step 3: Cross multiply
    4,987.08x = 7,467.24 × 2,789.55
  4. Step 4: Simplify right side
    4,987.08x = 20,830,239.34
  5. Step 5: Solve for x
    x = 20,830,239.34/4,987.08
  6. Step 6: Final answer
    x = 4,176.84

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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.