Home / 4,926.90-6,799.20-2,688.79

Finding the Fourth Proportional to 4,926.90, 6,799.20 and 2,688.79

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Solution

The fourth proportional to 4,926.90, 6,799.20 and 2,688.79 is: 3,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.90 : 6,799.20 = 2,688.79 : x
  2. Step 2: Convert to fraction form
    4,926.90/6,799.20 = 2,688.79/x
  3. Step 3: Cross multiply
    4,926.90x = 6,799.20 × 2,688.79
  4. Step 4: Simplify right side
    4,926.90x = 18,281,639.55
  5. Step 5: Solve for x
    x = 18,281,639.55/4,926.90
  6. Step 6: Final answer
    x = 3,710.58

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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.