Home / 4,903.76-6,767.34-2,808.56

Finding the Fourth Proportional to 4,903.76, 6,767.34 and 2,808.56

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Solution

The fourth proportional to 4,903.76, 6,767.34 and 2,808.56 is: 3,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.76 : 6,767.34 = 2,808.56 : x
  2. Step 2: Convert to fraction form
    4,903.76/6,767.34 = 2,808.56/x
  3. Step 3: Cross multiply
    4,903.76x = 6,767.34 × 2,808.56
  4. Step 4: Simplify right side
    4,903.76x = 19,006,480.43
  5. Step 5: Solve for x
    x = 19,006,480.43/4,903.76
  6. Step 6: Final answer
    x = 3,875.90

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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.