Home / 8,867.45-12,237.81-4,889

Finding the Fourth Proportional to 8,867.45, 12,237.81 and 4,889

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Solution

The fourth proportional to 8,867.45, 12,237.81 and 4,889 is: 6,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.45 : 12,237.81 = 4,889 : x
  2. Step 2: Convert to fraction form
    8,867.45/12,237.81 = 4,889/x
  3. Step 3: Cross multiply
    8,867.45x = 12,237.81 × 4,889
  4. Step 4: Simplify right side
    8,867.45x = 59,830,653.09
  5. Step 5: Solve for x
    x = 59,830,653.09/8,867.45
  6. Step 6: Final answer
    x = 6,747.22

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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.