Home / 6,650.32-9,177.60-3,666.40

Finding the Fourth Proportional to 6,650.32, 9,177.60 and 3,666.40

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Solution

The fourth proportional to 6,650.32, 9,177.60 and 3,666.40 is: 5,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.32 : 9,177.60 = 3,666.40 : x
  2. Step 2: Convert to fraction form
    6,650.32/9,177.60 = 3,666.40/x
  3. Step 3: Cross multiply
    6,650.32x = 9,177.60 × 3,666.40
  4. Step 4: Simplify right side
    6,650.32x = 33,648,752.64
  5. Step 5: Solve for x
    x = 33,648,752.64/6,650.32
  6. Step 6: Final answer
    x = 5,059.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.