Home / 4,670.60-6,444.91-2,781.92

Finding the Fourth Proportional to 4,670.60, 6,444.91 and 2,781.92

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Solution

The fourth proportional to 4,670.60, 6,444.91 and 2,781.92 is: 3,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.60 : 6,444.91 = 2,781.92 : x
  2. Step 2: Convert to fraction form
    4,670.60/6,444.91 = 2,781.92/x
  3. Step 3: Cross multiply
    4,670.60x = 6,444.91 × 2,781.92
  4. Step 4: Simplify right side
    4,670.60x = 17,929,243.62
  5. Step 5: Solve for x
    x = 17,929,243.62/4,670.60
  6. Step 6: Final answer
    x = 3,838.75

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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.