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Finding the Fourth Proportional to 7,695.26, 10,623.31 and 5,990.01

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Solution

The fourth proportional to 7,695.26, 10,623.31 and 5,990.01 is: 8,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.26 : 10,623.31 = 5,990.01 : x
  2. Step 2: Convert to fraction form
    7,695.26/10,623.31 = 5,990.01/x
  3. Step 3: Cross multiply
    7,695.26x = 10,623.31 × 5,990.01
  4. Step 4: Simplify right side
    7,695.26x = 63,633,680.02
  5. Step 5: Solve for x
    x = 63,633,680.02/7,695.26
  6. Step 6: Final answer
    x = 8,269.21

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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.