Home / 7,382.84-10,188.36-4,398.80

Finding the Fourth Proportional to 7,382.84, 10,188.36 and 4,398.80

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Solution

The fourth proportional to 7,382.84, 10,188.36 and 4,398.80 is: 6,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.84 : 10,188.36 = 4,398.80 : x
  2. Step 2: Convert to fraction form
    7,382.84/10,188.36 = 4,398.80/x
  3. Step 3: Cross multiply
    7,382.84x = 10,188.36 × 4,398.80
  4. Step 4: Simplify right side
    7,382.84x = 44,816,507.03
  5. Step 5: Solve for x
    x = 44,816,507.03/7,382.84
  6. Step 6: Final answer
    x = 6,070.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.