Home / 7,078.42-10,617.65-1,884.30

Finding the Fourth Proportional to 7,078.42, 10,617.65 and 1,884.30

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Solution

The fourth proportional to 7,078.42, 10,617.65 and 1,884.30 is: 2,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.42 : 10,617.65 = 1,884.30 : x
  2. Step 2: Convert to fraction form
    7,078.42/10,617.65 = 1,884.30/x
  3. Step 3: Cross multiply
    7,078.42x = 10,617.65 × 1,884.30
  4. Step 4: Simplify right side
    7,078.42x = 20,006,795.72
  5. Step 5: Solve for x
    x = 20,006,795.72/7,078.42
  6. Step 6: Final answer
    x = 2,826.45

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Similar ratio
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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.