Home / 5,461.75-8,190.54-1,951.10

Finding the Fourth Proportional to 5,461.75, 8,190.54 and 1,951.10

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Solution

The fourth proportional to 5,461.75, 8,190.54 and 1,951.10 is: 2,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.75 : 8,190.54 = 1,951.10 : x
  2. Step 2: Convert to fraction form
    5,461.75/8,190.54 = 1,951.10/x
  3. Step 3: Cross multiply
    5,461.75x = 8,190.54 × 1,951.10
  4. Step 4: Simplify right side
    5,461.75x = 15,980,562.59
  5. Step 5: Solve for x
    x = 15,980,562.59/5,461.75
  6. Step 6: Final answer
    x = 2,925.91

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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.