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Finding the Fourth Proportional to 7,007.96, 10,507.08 and 3,307.07

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Solution

The fourth proportional to 7,007.96, 10,507.08 and 3,307.07 is: 4,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.96 : 10,507.08 = 3,307.07 : x
  2. Step 2: Convert to fraction form
    7,007.96/10,507.08 = 3,307.07/x
  3. Step 3: Cross multiply
    7,007.96x = 10,507.08 × 3,307.07
  4. Step 4: Simplify right side
    7,007.96x = 34,747,649.06
  5. Step 5: Solve for x
    x = 34,747,649.06/7,007.96
  6. Step 6: Final answer
    x = 4,958.31

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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.