Home / 6,426.36-8,863.02-4,187.16

Finding the Fourth Proportional to 6,426.36, 8,863.02 and 4,187.16

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Solution

The fourth proportional to 6,426.36, 8,863.02 and 4,187.16 is: 5,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.36 : 8,863.02 = 4,187.16 : x
  2. Step 2: Convert to fraction form
    6,426.36/8,863.02 = 4,187.16/x
  3. Step 3: Cross multiply
    6,426.36x = 8,863.02 × 4,187.16
  4. Step 4: Simplify right side
    6,426.36x = 37,110,882.82
  5. Step 5: Solve for x
    x = 37,110,882.82/6,426.36
  6. Step 6: Final answer
    x = 5,774.79

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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.