Home / 6,612.24-9,917.40-1,931.01

Finding the Fourth Proportional to 6,612.24, 9,917.40 and 1,931.01

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Solution

The fourth proportional to 6,612.24, 9,917.40 and 1,931.01 is: 2,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.24 : 9,917.40 = 1,931.01 : x
  2. Step 2: Convert to fraction form
    6,612.24/9,917.40 = 1,931.01/x
  3. Step 3: Cross multiply
    6,612.24x = 9,917.40 × 1,931.01
  4. Step 4: Simplify right side
    6,612.24x = 19,150,598.57
  5. Step 5: Solve for x
    x = 19,150,598.57/6,612.24
  6. Step 6: Final answer
    x = 2,896.23

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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.