Home / 4,869.18-6,721.26-2,880.42

Finding the Fourth Proportional to 4,869.18, 6,721.26 and 2,880.42

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Solution

The fourth proportional to 4,869.18, 6,721.26 and 2,880.42 is: 3,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.18 : 6,721.26 = 2,880.42 : x
  2. Step 2: Convert to fraction form
    4,869.18/6,721.26 = 2,880.42/x
  3. Step 3: Cross multiply
    4,869.18x = 6,721.26 × 2,880.42
  4. Step 4: Simplify right side
    4,869.18x = 19,360,051.73
  5. Step 5: Solve for x
    x = 19,360,051.73/4,869.18
  6. Step 6: Final answer
    x = 3,976.04

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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.