Home / 10,742.77-16,095.09-4,489.00

Finding the Fourth Proportional to 10,742.77, 16,095.09 and 4,489.00

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Solution

The fourth proportional to 10,742.77, 16,095.09 and 4,489.00 is: 6,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.77 : 16,095.09 = 4,489.00 : x
  2. Step 2: Convert to fraction form
    10,742.77/16,095.09 = 4,489.00/x
  3. Step 3: Cross multiply
    10,742.77x = 16,095.09 × 4,489.00
  4. Step 4: Simplify right side
    10,742.77x = 72,250,810.36
  5. Step 5: Solve for x
    x = 72,250,810.36/10,742.77
  6. Step 6: Final answer
    x = 6,725.53

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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.