Home / 7,419.08-11,130.78-3,035.72

Finding the Fourth Proportional to 7,419.08, 11,130.78 and 3,035.72

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Solution

The fourth proportional to 7,419.08, 11,130.78 and 3,035.72 is: 4,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.08 : 11,130.78 = 3,035.72 : x
  2. Step 2: Convert to fraction form
    7,419.08/11,130.78 = 3,035.72/x
  3. Step 3: Cross multiply
    7,419.08x = 11,130.78 × 3,035.72
  4. Step 4: Simplify right side
    7,419.08x = 33,789,931.46
  5. Step 5: Solve for x
    x = 33,789,931.46/7,419.08
  6. Step 6: Final answer
    x = 4,554.46

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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.