Home / 6,911.08-10,367.28-1,980.58

Finding the Fourth Proportional to 6,911.08, 10,367.28 and 1,980.58

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Solution

The fourth proportional to 6,911.08, 10,367.28 and 1,980.58 is: 2,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.08 : 10,367.28 = 1,980.58 : x
  2. Step 2: Convert to fraction form
    6,911.08/10,367.28 = 1,980.58/x
  3. Step 3: Cross multiply
    6,911.08x = 10,367.28 × 1,980.58
  4. Step 4: Simplify right side
    6,911.08x = 20,533,227.42
  5. Step 5: Solve for x
    x = 20,533,227.42/6,911.08
  6. Step 6: Final answer
    x = 2,971.06

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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.