Home / 4,869.84-6,719.32-2,981.83

Finding the Fourth Proportional to 4,869.84, 6,719.32 and 2,981.83

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Solution

The fourth proportional to 4,869.84, 6,719.32 and 2,981.83 is: 4,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.84 : 6,719.32 = 2,981.83 : x
  2. Step 2: Convert to fraction form
    4,869.84/6,719.32 = 2,981.83/x
  3. Step 3: Cross multiply
    4,869.84x = 6,719.32 × 2,981.83
  4. Step 4: Simplify right side
    4,869.84x = 20,035,869.48
  5. Step 5: Solve for x
    x = 20,035,869.48/4,869.84
  6. Step 6: Final answer
    x = 4,114.28

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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.