Home / 4,823.89-6,656.64-2,728.15

Finding the Fourth Proportional to 4,823.89, 6,656.64 and 2,728.15

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Solution

The fourth proportional to 4,823.89, 6,656.64 and 2,728.15 is: 3,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.89 : 6,656.64 = 2,728.15 : x
  2. Step 2: Convert to fraction form
    4,823.89/6,656.64 = 2,728.15/x
  3. Step 3: Cross multiply
    4,823.89x = 6,656.64 × 2,728.15
  4. Step 4: Simplify right side
    4,823.89x = 18,160,312.42
  5. Step 5: Solve for x
    x = 18,160,312.42/4,823.89
  6. Step 6: Final answer
    x = 3,764.66

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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.