Home / 5,639.38-8,457.72-2,352.52

Finding the Fourth Proportional to 5,639.38, 8,457.72 and 2,352.52

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Solution

The fourth proportional to 5,639.38, 8,457.72 and 2,352.52 is: 3,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.38 : 8,457.72 = 2,352.52 : x
  2. Step 2: Convert to fraction form
    5,639.38/8,457.72 = 2,352.52/x
  3. Step 3: Cross multiply
    5,639.38x = 8,457.72 × 2,352.52
  4. Step 4: Simplify right side
    5,639.38x = 19,896,955.45
  5. Step 5: Solve for x
    x = 19,896,955.45/5,639.38
  6. Step 6: Final answer
    x = 3,528.22

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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.