Home / 7,132.96-10,643.24-6,353.44

Finding the Fourth Proportional to 7,132.96, 10,643.24 and 6,353.44

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Solution

The fourth proportional to 7,132.96, 10,643.24 and 6,353.44 is: 9,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.96 : 10,643.24 = 6,353.44 : x
  2. Step 2: Convert to fraction form
    7,132.96/10,643.24 = 6,353.44/x
  3. Step 3: Cross multiply
    7,132.96x = 10,643.24 × 6,353.44
  4. Step 4: Simplify right side
    7,132.96x = 67,621,186.75
  5. Step 5: Solve for x
    x = 67,621,186.75/7,132.96
  6. Step 6: Final answer
    x = 9,480.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.