Home / 8,437.80-12,656.97-4,054.35

Finding the Fourth Proportional to 8,437.80, 12,656.97 and 4,054.35

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Solution

The fourth proportional to 8,437.80, 12,656.97 and 4,054.35 is: 6,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.80 : 12,656.97 = 4,054.35 : x
  2. Step 2: Convert to fraction form
    8,437.80/12,656.97 = 4,054.35/x
  3. Step 3: Cross multiply
    8,437.80x = 12,656.97 × 4,054.35
  4. Step 4: Simplify right side
    8,437.80x = 51,315,786.32
  5. Step 5: Solve for x
    x = 51,315,786.32/8,437.80
  6. Step 6: Final answer
    x = 6,081.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.