Home / 4,948.64-6,827.92-2,740.64

Finding the Fourth Proportional to 4,948.64, 6,827.92 and 2,740.64

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Solution

The fourth proportional to 4,948.64, 6,827.92 and 2,740.64 is: 3,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.64 : 6,827.92 = 2,740.64 : x
  2. Step 2: Convert to fraction form
    4,948.64/6,827.92 = 2,740.64/x
  3. Step 3: Cross multiply
    4,948.64x = 6,827.92 × 2,740.64
  4. Step 4: Simplify right side
    4,948.64x = 18,712,870.67
  5. Step 5: Solve for x
    x = 18,712,870.67/4,948.64
  6. Step 6: Final answer
    x = 3,781.42

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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.