Home / 8,410.40-11,605.32-4,872.88

Finding the Fourth Proportional to 8,410.40, 11,605.32 and 4,872.88

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Solution

The fourth proportional to 8,410.40, 11,605.32 and 4,872.88 is: 6,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.40 : 11,605.32 = 4,872.88 : x
  2. Step 2: Convert to fraction form
    8,410.40/11,605.32 = 4,872.88/x
  3. Step 3: Cross multiply
    8,410.40x = 11,605.32 × 4,872.88
  4. Step 4: Simplify right side
    8,410.40x = 56,551,331.72
  5. Step 5: Solve for x
    x = 56,551,331.72/8,410.40
  6. Step 6: Final answer
    x = 6,723.98

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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.