Home / 8,189.02-11,297.64-5,039.74

Finding the Fourth Proportional to 8,189.02, 11,297.64 and 5,039.74

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Solution

The fourth proportional to 8,189.02, 11,297.64 and 5,039.74 is: 6,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.02 : 11,297.64 = 5,039.74 : x
  2. Step 2: Convert to fraction form
    8,189.02/11,297.64 = 5,039.74/x
  3. Step 3: Cross multiply
    8,189.02x = 11,297.64 × 5,039.74
  4. Step 4: Simplify right side
    8,189.02x = 56,937,168.21
  5. Step 5: Solve for x
    x = 56,937,168.21/8,189.02
  6. Step 6: Final answer
    x = 6,952.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.