Home / 4,128.69-6,193.15-1,207.00

Finding the Fourth Proportional to 4,128.69, 6,193.15 and 1,207.00

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Solution

The fourth proportional to 4,128.69, 6,193.15 and 1,207.00 is: 1,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.69 : 6,193.15 = 1,207.00 : x
  2. Step 2: Convert to fraction form
    4,128.69/6,193.15 = 1,207.00/x
  3. Step 3: Cross multiply
    4,128.69x = 6,193.15 × 1,207.00
  4. Step 4: Simplify right side
    4,128.69x = 7,475,101.08
  5. Step 5: Solve for x
    x = 7,475,101.08/4,128.69
  6. Step 6: Final answer
    x = 1,810.53

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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.