Home / 5,588.14-8,382.22-1,428.16

Finding the Fourth Proportional to 5,588.14, 8,382.22 and 1,428.16

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Solution

The fourth proportional to 5,588.14, 8,382.22 and 1,428.16 is: 2,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.14 : 8,382.22 = 1,428.16 : x
  2. Step 2: Convert to fraction form
    5,588.14/8,382.22 = 1,428.16/x
  3. Step 3: Cross multiply
    5,588.14x = 8,382.22 × 1,428.16
  4. Step 4: Simplify right side
    5,588.14x = 11,971,151.32
  5. Step 5: Solve for x
    x = 11,971,151.32/5,588.14
  6. Step 6: Final answer
    x = 2,142.24

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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.