Home / 6,627.21-9,148.68-4,205.79

Finding the Fourth Proportional to 6,627.21, 9,148.68 and 4,205.79

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Solution

The fourth proportional to 6,627.21, 9,148.68 and 4,205.79 is: 5,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.21 : 9,148.68 = 4,205.79 : x
  2. Step 2: Convert to fraction form
    6,627.21/9,148.68 = 4,205.79/x
  3. Step 3: Cross multiply
    6,627.21x = 9,148.68 × 4,205.79
  4. Step 4: Simplify right side
    6,627.21x = 38,477,426.86
  5. Step 5: Solve for x
    x = 38,477,426.86/6,627.21
  6. Step 6: Final answer
    x = 5,805.98

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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.