Home / 4,869.34-6,719.68-2,631.21

Finding the Fourth Proportional to 4,869.34, 6,719.68 and 2,631.21

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Solution

The fourth proportional to 4,869.34, 6,719.68 and 2,631.21 is: 3,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.34 : 6,719.68 = 2,631.21 : x
  2. Step 2: Convert to fraction form
    4,869.34/6,719.68 = 2,631.21/x
  3. Step 3: Cross multiply
    4,869.34x = 6,719.68 × 2,631.21
  4. Step 4: Simplify right side
    4,869.34x = 17,680,889.21
  5. Step 5: Solve for x
    x = 17,680,889.21/4,869.34
  6. Step 6: Final answer
    x = 3,631.06

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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.