Home / 7,402.08-11,102.04-2,784

Finding the Fourth Proportional to 7,402.08, 11,102.04 and 2,784

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Solution

The fourth proportional to 7,402.08, 11,102.04 and 2,784 is: 4,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.08 : 11,102.04 = 2,784 : x
  2. Step 2: Convert to fraction form
    7,402.08/11,102.04 = 2,784/x
  3. Step 3: Cross multiply
    7,402.08x = 11,102.04 × 2,784
  4. Step 4: Simplify right side
    7,402.08x = 30,908,079.36
  5. Step 5: Solve for x
    x = 30,908,079.36/7,402.08
  6. Step 6: Final answer
    x = 4,175.59

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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.