Home / 6,838.95-10,259.81-2,159.69

Finding the Fourth Proportional to 6,838.95, 10,259.81 and 2,159.69

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Solution

The fourth proportional to 6,838.95, 10,259.81 and 2,159.69 is: 3,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.95 : 10,259.81 = 2,159.69 : x
  2. Step 2: Convert to fraction form
    6,838.95/10,259.81 = 2,159.69/x
  3. Step 3: Cross multiply
    6,838.95x = 10,259.81 × 2,159.69
  4. Step 4: Simplify right side
    6,838.95x = 22,157,946.96
  5. Step 5: Solve for x
    x = 22,157,946.96/6,838.95
  6. Step 6: Final answer
    x = 3,239.96

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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.