Home / 4,869.37-6,719.25-2,981.49

Finding the Fourth Proportional to 4,869.37, 6,719.25 and 2,981.49

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Solution

The fourth proportional to 4,869.37, 6,719.25 and 2,981.49 is: 4,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.37 : 6,719.25 = 2,981.49 : x
  2. Step 2: Convert to fraction form
    4,869.37/6,719.25 = 2,981.49/x
  3. Step 3: Cross multiply
    4,869.37x = 6,719.25 × 2,981.49
  4. Step 4: Simplify right side
    4,869.37x = 20,033,376.68
  5. Step 5: Solve for x
    x = 20,033,376.68/4,869.37
  6. Step 6: Final answer
    x = 4,114.16

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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.