Home / 6,627.40-9,926.70-5,331.40

Finding the Fourth Proportional to 6,627.40, 9,926.70 and 5,331.40

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Solution

The fourth proportional to 6,627.40, 9,926.70 and 5,331.40 is: 7,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.40 : 9,926.70 = 5,331.40 : x
  2. Step 2: Convert to fraction form
    6,627.40/9,926.70 = 5,331.40/x
  3. Step 3: Cross multiply
    6,627.40x = 9,926.70 × 5,331.40
  4. Step 4: Simplify right side
    6,627.40x = 52,923,208.38
  5. Step 5: Solve for x
    x = 52,923,208.38/6,627.40
  6. Step 6: Final answer
    x = 7,985.52

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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.