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Finding the Fourth Proportional to 7,041.66, 9,695.79 and 6,254.34

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Solution

The fourth proportional to 7,041.66, 9,695.79 and 6,254.34 is: 8,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.66 : 9,695.79 = 6,254.34 : x
  2. Step 2: Convert to fraction form
    7,041.66/9,695.79 = 6,254.34/x
  3. Step 3: Cross multiply
    7,041.66x = 9,695.79 × 6,254.34
  4. Step 4: Simplify right side
    7,041.66x = 60,640,767.23
  5. Step 5: Solve for x
    x = 60,640,767.23/7,041.66
  6. Step 6: Final answer
    x = 8,611.71

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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.