Home / 7,479.06-11,219.06-3,776.95

Finding the Fourth Proportional to 7,479.06, 11,219.06 and 3,776.95

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Solution

The fourth proportional to 7,479.06, 11,219.06 and 3,776.95 is: 5,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.06 : 11,219.06 = 3,776.95 : x
  2. Step 2: Convert to fraction form
    7,479.06/11,219.06 = 3,776.95/x
  3. Step 3: Cross multiply
    7,479.06x = 11,219.06 × 3,776.95
  4. Step 4: Simplify right side
    7,479.06x = 42,373,828.67
  5. Step 5: Solve for x
    x = 42,373,828.67/7,479.06
  6. Step 6: Final answer
    x = 5,665.66

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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.