Home / 6,985.38-10,479.87-2,055.18

Finding the Fourth Proportional to 6,985.38, 10,479.87 and 2,055.18

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Solution

The fourth proportional to 6,985.38, 10,479.87 and 2,055.18 is: 3,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.38 : 10,479.87 = 2,055.18 : x
  2. Step 2: Convert to fraction form
    6,985.38/10,479.87 = 2,055.18/x
  3. Step 3: Cross multiply
    6,985.38x = 10,479.87 × 2,055.18
  4. Step 4: Simplify right side
    6,985.38x = 21,538,019.23
  5. Step 5: Solve for x
    x = 21,538,019.23/6,985.38
  6. Step 6: Final answer
    x = 3,083.30

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1.5x scale

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.