Home / 6,443.08-9,655.98-2,972.68

Finding the Fourth Proportional to 6,443.08, 9,655.98 and 2,972.68

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Solution

The fourth proportional to 6,443.08, 9,655.98 and 2,972.68 is: 4,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.08 : 9,655.98 = 2,972.68 : x
  2. Step 2: Convert to fraction form
    6,443.08/9,655.98 = 2,972.68/x
  3. Step 3: Cross multiply
    6,443.08x = 9,655.98 × 2,972.68
  4. Step 4: Simplify right side
    6,443.08x = 28,704,138.63
  5. Step 5: Solve for x
    x = 28,704,138.63/6,443.08
  6. Step 6: Final answer
    x = 4,455.03

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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.