Home / 6,985.08-10,465.28-3,690.88

Finding the Fourth Proportional to 6,985.08, 10,465.28 and 3,690.88

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Solution

The fourth proportional to 6,985.08, 10,465.28 and 3,690.88 is: 5,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.08 : 10,465.28 = 3,690.88 : x
  2. Step 2: Convert to fraction form
    6,985.08/10,465.28 = 3,690.88/x
  3. Step 3: Cross multiply
    6,985.08x = 10,465.28 × 3,690.88
  4. Step 4: Simplify right side
    6,985.08x = 38,626,092.65
  5. Step 5: Solve for x
    x = 38,626,092.65/6,985.08
  6. Step 6: Final answer
    x = 5,529.80

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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.