Home / 6,746.60-10,120.10-1,816.24

Finding the Fourth Proportional to 6,746.60, 10,120.10 and 1,816.24

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Solution

The fourth proportional to 6,746.60, 10,120.10 and 1,816.24 is: 2,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.60 : 10,120.10 = 1,816.24 : x
  2. Step 2: Convert to fraction form
    6,746.60/10,120.10 = 1,816.24/x
  3. Step 3: Cross multiply
    6,746.60x = 10,120.10 × 1,816.24
  4. Step 4: Simplify right side
    6,746.60x = 18,380,530.42
  5. Step 5: Solve for x
    x = 18,380,530.42/6,746.60
  6. Step 6: Final answer
    x = 2,724.41

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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.