Home / 8,681.38-13,022.64-4,297.66

Finding the Fourth Proportional to 8,681.38, 13,022.64 and 4,297.66

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Solution

The fourth proportional to 8,681.38, 13,022.64 and 4,297.66 is: 6,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.38 : 13,022.64 = 4,297.66 : x
  2. Step 2: Convert to fraction form
    8,681.38/13,022.64 = 4,297.66/x
  3. Step 3: Cross multiply
    8,681.38x = 13,022.64 × 4,297.66
  4. Step 4: Simplify right side
    8,681.38x = 55,966,846.47
  5. Step 5: Solve for x
    x = 55,966,846.47/8,681.38
  6. Step 6: Final answer
    x = 6,446.77

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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.