Home / 6,985.08-10,480.74-3,478.59

Finding the Fourth Proportional to 6,985.08, 10,480.74 and 3,478.59

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Solution

The fourth proportional to 6,985.08, 10,480.74 and 3,478.59 is: 5,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.08 : 10,480.74 = 3,478.59 : x
  2. Step 2: Convert to fraction form
    6,985.08/10,480.74 = 3,478.59/x
  3. Step 3: Cross multiply
    6,985.08x = 10,480.74 × 3,478.59
  4. Step 4: Simplify right side
    6,985.08x = 36,458,197.36
  5. Step 5: Solve for x
    x = 36,458,197.36/6,985.08
  6. Step 6: Final answer
    x = 5,219.44

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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.