Home / 4,948.29-6,828.35-2,709.72

Finding the Fourth Proportional to 4,948.29, 6,828.35 and 2,709.72

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Solution

The fourth proportional to 4,948.29, 6,828.35 and 2,709.72 is: 3,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.29 : 6,828.35 = 2,709.72 : x
  2. Step 2: Convert to fraction form
    4,948.29/6,828.35 = 2,709.72/x
  3. Step 3: Cross multiply
    4,948.29x = 6,828.35 × 2,709.72
  4. Step 4: Simplify right side
    4,948.29x = 18,502,916.56
  5. Step 5: Solve for x
    x = 18,502,916.56/4,948.29
  6. Step 6: Final answer
    x = 3,739.25

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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.