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Finding the Fourth Proportional to 6,476.65, 8,932.62 and 4,205.50

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Solution

The fourth proportional to 6,476.65, 8,932.62 and 4,205.50 is: 5,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.65 : 8,932.62 = 4,205.50 : x
  2. Step 2: Convert to fraction form
    6,476.65/8,932.62 = 4,205.50/x
  3. Step 3: Cross multiply
    6,476.65x = 8,932.62 × 4,205.50
  4. Step 4: Simplify right side
    6,476.65x = 37,566,133.41
  5. Step 5: Solve for x
    x = 37,566,133.41/6,476.65
  6. Step 6: Final answer
    x = 5,800.24

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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.