Home / 6,246-8,618.58-5,305.56

Finding the Fourth Proportional to 6,246, 8,618.58 and 5,305.56

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Solution

The fourth proportional to 6,246, 8,618.58 and 5,305.56 is: 7,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246 : 8,618.58 = 5,305.56 : x
  2. Step 2: Convert to fraction form
    6,246/8,618.58 = 5,305.56/x
  3. Step 3: Cross multiply
    6,246x = 8,618.58 × 5,305.56
  4. Step 4: Simplify right side
    6,246x = 45,726,393.30
  5. Step 5: Solve for x
    x = 45,726,393.30/6,246
  6. Step 6: Final answer
    x = 7,320.91

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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.