Home / 7,476.71-11,215.76-3,776.60

Finding the Fourth Proportional to 7,476.71, 11,215.76 and 3,776.60

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Solution

The fourth proportional to 7,476.71, 11,215.76 and 3,776.60 is: 5,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.71 : 11,215.76 = 3,776.60 : x
  2. Step 2: Convert to fraction form
    7,476.71/11,215.76 = 3,776.60/x
  3. Step 3: Cross multiply
    7,476.71x = 11,215.76 × 3,776.60
  4. Step 4: Simplify right side
    7,476.71x = 42,357,439.22
  5. Step 5: Solve for x
    x = 42,357,439.22/7,476.71
  6. Step 6: Final answer
    x = 5,665.25

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1.5x scale

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.