Home / 8,465.04-12,699.72-2,621.70

Finding the Fourth Proportional to 8,465.04, 12,699.72 and 2,621.70

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Solution

The fourth proportional to 8,465.04, 12,699.72 and 2,621.70 is: 3,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.04 : 12,699.72 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    8,465.04/12,699.72 = 2,621.70/x
  3. Step 3: Cross multiply
    8,465.04x = 12,699.72 × 2,621.70
  4. Step 4: Simplify right side
    8,465.04x = 33,294,855.92
  5. Step 5: Solve for x
    x = 33,294,855.92/8,465.04
  6. Step 6: Final answer
    x = 3,933.22

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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.