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Finding the Fourth Proportional to 8,357.04, 12,535.56 and 2,808.81

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Solution

The fourth proportional to 8,357.04, 12,535.56 and 2,808.81 is: 4,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.04 : 12,535.56 = 2,808.81 : x
  2. Step 2: Convert to fraction form
    8,357.04/12,535.56 = 2,808.81/x
  3. Step 3: Cross multiply
    8,357.04x = 12,535.56 × 2,808.81
  4. Step 4: Simplify right side
    8,357.04x = 35,210,006.28
  5. Step 5: Solve for x
    x = 35,210,006.28/8,357.04
  6. Step 6: Final answer
    x = 4,213.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.