Home / 8,523.21-12,776.55-4,365.18

Finding the Fourth Proportional to 8,523.21, 12,776.55 and 4,365.18

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Solution

The fourth proportional to 8,523.21, 12,776.55 and 4,365.18 is: 6,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.21 : 12,776.55 = 4,365.18 : x
  2. Step 2: Convert to fraction form
    8,523.21/12,776.55 = 4,365.18/x
  3. Step 3: Cross multiply
    8,523.21x = 12,776.55 × 4,365.18
  4. Step 4: Simplify right side
    8,523.21x = 55,771,940.53
  5. Step 5: Solve for x
    x = 55,771,940.53/8,523.21
  6. Step 6: Final answer
    x = 6,543.54

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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.