Home / 7,377.14-11,064.80-2,990.39

Finding the Fourth Proportional to 7,377.14, 11,064.80 and 2,990.39

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Solution

The fourth proportional to 7,377.14, 11,064.80 and 2,990.39 is: 4,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.14 : 11,064.80 = 2,990.39 : x
  2. Step 2: Convert to fraction form
    7,377.14/11,064.80 = 2,990.39/x
  3. Step 3: Cross multiply
    7,377.14x = 11,064.80 × 2,990.39
  4. Step 4: Simplify right side
    7,377.14x = 33,088,045.78
  5. Step 5: Solve for x
    x = 33,088,045.78/7,377.14
  6. Step 6: Final answer
    x = 4,485.21

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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.