Home / 7,181.62-10,762.60-5,425.18

Finding the Fourth Proportional to 7,181.62, 10,762.60 and 5,425.18

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Solution

The fourth proportional to 7,181.62, 10,762.60 and 5,425.18 is: 8,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.62 : 10,762.60 = 5,425.18 : x
  2. Step 2: Convert to fraction form
    7,181.62/10,762.60 = 5,425.18/x
  3. Step 3: Cross multiply
    7,181.62x = 10,762.60 × 5,425.18
  4. Step 4: Simplify right side
    7,181.62x = 58,389,099.15
  5. Step 5: Solve for x
    x = 58,389,099.15/7,181.62
  6. Step 6: Final answer
    x = 8,130.35

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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.