Home / 4,805.29-6,631.28-2,709.40

Finding the Fourth Proportional to 4,805.29, 6,631.28 and 2,709.40

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Solution

The fourth proportional to 4,805.29, 6,631.28 and 2,709.40 is: 3,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.29 : 6,631.28 = 2,709.40 : x
  2. Step 2: Convert to fraction form
    4,805.29/6,631.28 = 2,709.40/x
  3. Step 3: Cross multiply
    4,805.29x = 6,631.28 × 2,709.40
  4. Step 4: Simplify right side
    4,805.29x = 17,966,790.03
  5. Step 5: Solve for x
    x = 17,966,790.03/4,805.29
  6. Step 6: Final answer
    x = 3,738.96

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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.