Home / 7,083.40-9,752.60-5,399.40

Finding the Fourth Proportional to 7,083.40, 9,752.60 and 5,399.40

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Solution

The fourth proportional to 7,083.40, 9,752.60 and 5,399.40 is: 7,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.40 : 9,752.60 = 5,399.40 : x
  2. Step 2: Convert to fraction form
    7,083.40/9,752.60 = 5,399.40/x
  3. Step 3: Cross multiply
    7,083.40x = 9,752.60 × 5,399.40
  4. Step 4: Simplify right side
    7,083.40x = 52,658,188.44
  5. Step 5: Solve for x
    x = 52,658,188.44/7,083.40
  6. Step 6: Final answer
    x = 7,434.03

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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.