Home / 4,778.48-6,593.76-2,987.40

Finding the Fourth Proportional to 4,778.48, 6,593.76 and 2,987.40

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Solution

The fourth proportional to 4,778.48, 6,593.76 and 2,987.40 is: 4,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.48 : 6,593.76 = 2,987.40 : x
  2. Step 2: Convert to fraction form
    4,778.48/6,593.76 = 2,987.40/x
  3. Step 3: Cross multiply
    4,778.48x = 6,593.76 × 2,987.40
  4. Step 4: Simplify right side
    4,778.48x = 19,698,198.62
  5. Step 5: Solve for x
    x = 19,698,198.62/4,778.48
  6. Step 6: Final answer
    x = 4,122.28

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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.