Home / 8,465.31-12,699.18-2,622.42

Finding the Fourth Proportional to 8,465.31, 12,699.18 and 2,622.42

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Solution

The fourth proportional to 8,465.31, 12,699.18 and 2,622.42 is: 3,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.31 : 12,699.18 = 2,622.42 : x
  2. Step 2: Convert to fraction form
    8,465.31/12,699.18 = 2,622.42/x
  3. Step 3: Cross multiply
    8,465.31x = 12,699.18 × 2,622.42
  4. Step 4: Simplify right side
    8,465.31x = 33,302,583.62
  5. Step 5: Solve for x
    x = 33,302,583.62/8,465.31
  6. Step 6: Final answer
    x = 3,934.01

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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.