Home / 4,666.72-7,001.45-1,379.90

Finding the Fourth Proportional to 4,666.72, 7,001.45 and 1,379.90

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Solution

The fourth proportional to 4,666.72, 7,001.45 and 1,379.90 is: 2,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.72 : 7,001.45 = 1,379.90 : x
  2. Step 2: Convert to fraction form
    4,666.72/7,001.45 = 1,379.90/x
  3. Step 3: Cross multiply
    4,666.72x = 7,001.45 × 1,379.90
  4. Step 4: Simplify right side
    4,666.72x = 9,661,300.86
  5. Step 5: Solve for x
    x = 9,661,300.86/4,666.72
  6. Step 6: Final answer
    x = 2,070.25

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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.