Home / 7,378.70-11,064.67-2,380.19

Finding the Fourth Proportional to 7,378.70, 11,064.67 and 2,380.19

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Solution

The fourth proportional to 7,378.70, 11,064.67 and 2,380.19 is: 3,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.70 : 11,064.67 = 2,380.19 : x
  2. Step 2: Convert to fraction form
    7,378.70/11,064.67 = 2,380.19/x
  3. Step 3: Cross multiply
    7,378.70x = 11,064.67 × 2,380.19
  4. Step 4: Simplify right side
    7,378.70x = 26,335,955.61
  5. Step 5: Solve for x
    x = 26,335,955.61/7,378.70
  6. Step 6: Final answer
    x = 3,569.19

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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.