Home / 4,869.19-6,719.49-2,631.07

Finding the Fourth Proportional to 4,869.19, 6,719.49 and 2,631.07

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Solution

The fourth proportional to 4,869.19, 6,719.49 and 2,631.07 is: 3,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.19 : 6,719.49 = 2,631.07 : x
  2. Step 2: Convert to fraction form
    4,869.19/6,719.49 = 2,631.07/x
  3. Step 3: Cross multiply
    4,869.19x = 6,719.49 × 2,631.07
  4. Step 4: Simplify right side
    4,869.19x = 17,679,448.55
  5. Step 5: Solve for x
    x = 17,679,448.55/4,869.19
  6. Step 6: Final answer
    x = 3,630.88

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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.