Home / 5,439.43-7,506.26-3,200.80

Finding the Fourth Proportional to 5,439.43, 7,506.26 and 3,200.80

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Solution

The fourth proportional to 5,439.43, 7,506.26 and 3,200.80 is: 4,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.43 : 7,506.26 = 3,200.80 : x
  2. Step 2: Convert to fraction form
    5,439.43/7,506.26 = 3,200.80/x
  3. Step 3: Cross multiply
    5,439.43x = 7,506.26 × 3,200.80
  4. Step 4: Simplify right side
    5,439.43x = 24,026,037.01
  5. Step 5: Solve for x
    x = 24,026,037.01/5,439.43
  6. Step 6: Final answer
    x = 4,417.01

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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.