Home / 6,627.10-9,940.65-5,557.90

Finding the Fourth Proportional to 6,627.10, 9,940.65 and 5,557.90

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Solution

The fourth proportional to 6,627.10, 9,940.65 and 5,557.90 is: 8,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.10 : 9,940.65 = 5,557.90 : x
  2. Step 2: Convert to fraction form
    6,627.10/9,940.65 = 5,557.90/x
  3. Step 3: Cross multiply
    6,627.10x = 9,940.65 × 5,557.90
  4. Step 4: Simplify right side
    6,627.10x = 55,249,138.64
  5. Step 5: Solve for x
    x = 55,249,138.64/6,627.10
  6. Step 6: Final answer
    x = 8,336.85

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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.