Home / 7,298.64-10,946.36-2,103.12

Finding the Fourth Proportional to 7,298.64, 10,946.36 and 2,103.12

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Solution

The fourth proportional to 7,298.64, 10,946.36 and 2,103.12 is: 3,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.64 : 10,946.36 = 2,103.12 : x
  2. Step 2: Convert to fraction form
    7,298.64/10,946.36 = 2,103.12/x
  3. Step 3: Cross multiply
    7,298.64x = 10,946.36 × 2,103.12
  4. Step 4: Simplify right side
    7,298.64x = 23,021,508.64
  5. Step 5: Solve for x
    x = 23,021,508.64/7,298.64
  6. Step 6: Final answer
    x = 3,154.22

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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.