Home / 6,746.08-10,119.60-1,815.60

Finding the Fourth Proportional to 6,746.08, 10,119.60 and 1,815.60

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Solution

The fourth proportional to 6,746.08, 10,119.60 and 1,815.60 is: 2,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.08 : 10,119.60 = 1,815.60 : x
  2. Step 2: Convert to fraction form
    6,746.08/10,119.60 = 1,815.60/x
  3. Step 3: Cross multiply
    6,746.08x = 10,119.60 × 1,815.60
  4. Step 4: Simplify right side
    6,746.08x = 18,373,145.76
  5. Step 5: Solve for x
    x = 18,373,145.76/6,746.08
  6. Step 6: Final answer
    x = 2,723.53

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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.