Home / 6,629.40-9,924.90-5,938.20

Finding the Fourth Proportional to 6,629.40, 9,924.90 and 5,938.20

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Solution

The fourth proportional to 6,629.40, 9,924.90 and 5,938.20 is: 8,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.40 : 9,924.90 = 5,938.20 : x
  2. Step 2: Convert to fraction form
    6,629.40/9,924.90 = 5,938.20/x
  3. Step 3: Cross multiply
    6,629.40x = 9,924.90 × 5,938.20
  4. Step 4: Simplify right side
    6,629.40x = 58,936,041.18
  5. Step 5: Solve for x
    x = 58,936,041.18/6,629.40
  6. Step 6: Final answer
    x = 8,890.10

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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.