Home / 7,473.36-11,210.40-2,856

Finding the Fourth Proportional to 7,473.36, 11,210.40 and 2,856

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Solution

The fourth proportional to 7,473.36, 11,210.40 and 2,856 is: 4,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.36 : 11,210.40 = 2,856 : x
  2. Step 2: Convert to fraction form
    7,473.36/11,210.40 = 2,856/x
  3. Step 3: Cross multiply
    7,473.36x = 11,210.40 × 2,856
  4. Step 4: Simplify right side
    7,473.36x = 32,016,902.40
  5. Step 5: Solve for x
    x = 32,016,902.40/7,473.36
  6. Step 6: Final answer
    x = 4,284.14

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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.