Home / 7,484.36-11,225.16-2,803.91

Finding the Fourth Proportional to 7,484.36, 11,225.16 and 2,803.91

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Solution

The fourth proportional to 7,484.36, 11,225.16 and 2,803.91 is: 4,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.36 : 11,225.16 = 2,803.91 : x
  2. Step 2: Convert to fraction form
    7,484.36/11,225.16 = 2,803.91/x
  3. Step 3: Cross multiply
    7,484.36x = 11,225.16 × 2,803.91
  4. Step 4: Simplify right side
    7,484.36x = 31,474,282.25
  5. Step 5: Solve for x
    x = 31,474,282.25/7,484.36
  6. Step 6: Final answer
    x = 4,205.34

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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.