Home / 8,858.86-12,225.36-5,082.64

Finding the Fourth Proportional to 8,858.86, 12,225.36 and 5,082.64

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Solution

The fourth proportional to 8,858.86, 12,225.36 and 5,082.64 is: 7,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.86 : 12,225.36 = 5,082.64 : x
  2. Step 2: Convert to fraction form
    8,858.86/12,225.36 = 5,082.64/x
  3. Step 3: Cross multiply
    8,858.86x = 12,225.36 × 5,082.64
  4. Step 4: Simplify right side
    8,858.86x = 62,137,103.75
  5. Step 5: Solve for x
    x = 62,137,103.75/8,858.86
  6. Step 6: Final answer
    x = 7,014.12

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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.