Home / 6,985.07-10,465.29-3,690.89

Finding the Fourth Proportional to 6,985.07, 10,465.29 and 3,690.89

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Solution

The fourth proportional to 6,985.07, 10,465.29 and 3,690.89 is: 5,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.07 : 10,465.29 = 3,690.89 : x
  2. Step 2: Convert to fraction form
    6,985.07/10,465.29 = 3,690.89/x
  3. Step 3: Cross multiply
    6,985.07x = 10,465.29 × 3,690.89
  4. Step 4: Simplify right side
    6,985.07x = 38,626,234.21
  5. Step 5: Solve for x
    x = 38,626,234.21/6,985.07
  6. Step 6: Final answer
    x = 5,529.83

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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.