Home / 6,985.46-10,479.49-2,305.80

Finding the Fourth Proportional to 6,985.46, 10,479.49 and 2,305.80

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Solution

The fourth proportional to 6,985.46, 10,479.49 and 2,305.80 is: 3,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.46 : 10,479.49 = 2,305.80 : x
  2. Step 2: Convert to fraction form
    6,985.46/10,479.49 = 2,305.80/x
  3. Step 3: Cross multiply
    6,985.46x = 10,479.49 × 2,305.80
  4. Step 4: Simplify right side
    6,985.46x = 24,163,580.40
  5. Step 5: Solve for x
    x = 24,163,580.40/6,985.46
  6. Step 6: Final answer
    x = 3,459.12

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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.