Home / 5,604.10-8,406.15-5,181.70

Finding the Fourth Proportional to 5,604.10, 8,406.15 and 5,181.70

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Solution

The fourth proportional to 5,604.10, 8,406.15 and 5,181.70 is: 7,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.10 : 8,406.15 = 5,181.70 : x
  2. Step 2: Convert to fraction form
    5,604.10/8,406.15 = 5,181.70/x
  3. Step 3: Cross multiply
    5,604.10x = 8,406.15 × 5,181.70
  4. Step 4: Simplify right side
    5,604.10x = 43,558,147.46
  5. Step 5: Solve for x
    x = 43,558,147.46/5,604.10
  6. Step 6: Final answer
    x = 7,772.55

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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.