Home / 5,305.02-7,958.43-2,186.72

Finding the Fourth Proportional to 5,305.02, 7,958.43 and 2,186.72

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Solution

The fourth proportional to 5,305.02, 7,958.43 and 2,186.72 is: 3,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.02 : 7,958.43 = 2,186.72 : x
  2. Step 2: Convert to fraction form
    5,305.02/7,958.43 = 2,186.72/x
  3. Step 3: Cross multiply
    5,305.02x = 7,958.43 × 2,186.72
  4. Step 4: Simplify right side
    5,305.02x = 17,402,818.26
  5. Step 5: Solve for x
    x = 17,402,818.26/5,305.02
  6. Step 6: Final answer
    x = 3,280.44

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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.