Home / 7,406.74-11,110.10-2,966.40

Finding the Fourth Proportional to 7,406.74, 11,110.10 and 2,966.40

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Solution

The fourth proportional to 7,406.74, 11,110.10 and 2,966.40 is: 4,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.74 : 11,110.10 = 2,966.40 : x
  2. Step 2: Convert to fraction form
    7,406.74/11,110.10 = 2,966.40/x
  3. Step 3: Cross multiply
    7,406.74x = 11,110.10 × 2,966.40
  4. Step 4: Simplify right side
    7,406.74x = 32,957,000.64
  5. Step 5: Solve for x
    x = 32,957,000.64/7,406.74
  6. Step 6: Final answer
    x = 4,449.60

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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.