Home / 7,619.80-11,426.05-4,458.13

Finding the Fourth Proportional to 7,619.80, 11,426.05 and 4,458.13

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Solution

The fourth proportional to 7,619.80, 11,426.05 and 4,458.13 is: 6,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.80 : 11,426.05 = 4,458.13 : x
  2. Step 2: Convert to fraction form
    7,619.80/11,426.05 = 4,458.13/x
  3. Step 3: Cross multiply
    7,619.80x = 11,426.05 × 4,458.13
  4. Step 4: Simplify right side
    7,619.80x = 50,938,816.29
  5. Step 5: Solve for x
    x = 50,938,816.29/7,619.80
  6. Step 6: Final answer
    x = 6,685.06

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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.