Home / 5,456.59-8,186.54-1,946.14

Finding the Fourth Proportional to 5,456.59, 8,186.54 and 1,946.14

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Solution

The fourth proportional to 5,456.59, 8,186.54 and 1,946.14 is: 2,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.59 : 8,186.54 = 1,946.14 : x
  2. Step 2: Convert to fraction form
    5,456.59/8,186.54 = 1,946.14/x
  3. Step 3: Cross multiply
    5,456.59x = 8,186.54 × 1,946.14
  4. Step 4: Simplify right side
    5,456.59x = 15,932,152.96
  5. Step 5: Solve for x
    x = 15,932,152.96/5,456.59
  6. Step 6: Final answer
    x = 2,919.80

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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.