Home / 8,151.36-12,228.96-2,307.84

Finding the Fourth Proportional to 8,151.36, 12,228.96 and 2,307.84

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Solution

The fourth proportional to 8,151.36, 12,228.96 and 2,307.84 is: 3,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.36 : 12,228.96 = 2,307.84 : x
  2. Step 2: Convert to fraction form
    8,151.36/12,228.96 = 2,307.84/x
  3. Step 3: Cross multiply
    8,151.36x = 12,228.96 × 2,307.84
  4. Step 4: Simplify right side
    8,151.36x = 28,222,483.05
  5. Step 5: Solve for x
    x = 28,222,483.05/8,151.36
  6. Step 6: Final answer
    x = 3,462.30

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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.