Home / 6,887.43-10,345.02-4,119.56

Finding the Fourth Proportional to 6,887.43, 10,345.02 and 4,119.56

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Solution

The fourth proportional to 6,887.43, 10,345.02 and 4,119.56 is: 6,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.43 : 10,345.02 = 4,119.56 : x
  2. Step 2: Convert to fraction form
    6,887.43/10,345.02 = 4,119.56/x
  3. Step 3: Cross multiply
    6,887.43x = 10,345.02 × 4,119.56
  4. Step 4: Simplify right side
    6,887.43x = 42,616,902.21
  5. Step 5: Solve for x
    x = 42,616,902.21/6,887.43
  6. Step 6: Final answer
    x = 6,187.63

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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.