Home / 6,662.28-10,004.56-6,397.40

Finding the Fourth Proportional to 6,662.28, 10,004.56 and 6,397.40

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Solution

The fourth proportional to 6,662.28, 10,004.56 and 6,397.40 is: 9,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.28 : 10,004.56 = 6,397.40 : x
  2. Step 2: Convert to fraction form
    6,662.28/10,004.56 = 6,397.40/x
  3. Step 3: Cross multiply
    6,662.28x = 10,004.56 × 6,397.40
  4. Step 4: Simplify right side
    6,662.28x = 64,003,172.14
  5. Step 5: Solve for x
    x = 64,003,172.14/6,662.28
  6. Step 6: Final answer
    x = 9,606.80

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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.