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Finding the Fourth Proportional to 7,623.42, 10,496.95 and 6,673.90

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Solution

The fourth proportional to 7,623.42, 10,496.95 and 6,673.90 is: 9,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.42 : 10,496.95 = 6,673.90 : x
  2. Step 2: Convert to fraction form
    7,623.42/10,496.95 = 6,673.90/x
  3. Step 3: Cross multiply
    7,623.42x = 10,496.95 × 6,673.90
  4. Step 4: Simplify right side
    7,623.42x = 70,055,594.61
  5. Step 5: Solve for x
    x = 70,055,594.61/7,623.42
  6. Step 6: Final answer
    x = 9,189.52

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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.