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Finding the Fourth Proportional to 6,395.58, 8,825.63 and 4,624.11

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Solution

The fourth proportional to 6,395.58, 8,825.63 and 4,624.11 is: 6,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.58 : 8,825.63 = 4,624.11 : x
  2. Step 2: Convert to fraction form
    6,395.58/8,825.63 = 4,624.11/x
  3. Step 3: Cross multiply
    6,395.58x = 8,825.63 × 4,624.11
  4. Step 4: Simplify right side
    6,395.58x = 40,810,660.82
  5. Step 5: Solve for x
    x = 40,810,660.82/6,395.58
  6. Step 6: Final answer
    x = 6,381.07

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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.