Home / 9,057.71-13,588.61-3,214.32

Finding the Fourth Proportional to 9,057.71, 13,588.61 and 3,214.32

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Solution

The fourth proportional to 9,057.71, 13,588.61 and 3,214.32 is: 4,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.71 : 13,588.61 = 3,214.32 : x
  2. Step 2: Convert to fraction form
    9,057.71/13,588.61 = 3,214.32/x
  3. Step 3: Cross multiply
    9,057.71x = 13,588.61 × 3,214.32
  4. Step 4: Simplify right side
    9,057.71x = 43,678,140.90
  5. Step 5: Solve for x
    x = 43,678,140.90/9,057.71
  6. Step 6: Final answer
    x = 4,822.21

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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.