Home / 5,638.13-8,441.59-4,247.34

Finding the Fourth Proportional to 5,638.13, 8,441.59 and 4,247.34

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Solution

The fourth proportional to 5,638.13, 8,441.59 and 4,247.34 is: 6,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.13 : 8,441.59 = 4,247.34 : x
  2. Step 2: Convert to fraction form
    5,638.13/8,441.59 = 4,247.34/x
  3. Step 3: Cross multiply
    5,638.13x = 8,441.59 × 4,247.34
  4. Step 4: Simplify right side
    5,638.13x = 35,854,280.51
  5. Step 5: Solve for x
    x = 35,854,280.51/5,638.13
  6. Step 6: Final answer
    x = 6,359.25

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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.