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Finding the Fourth Proportional to 7,658.74, 10,569.06 and 4,301.86

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Solution

The fourth proportional to 7,658.74, 10,569.06 and 4,301.86 is: 5,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.74 : 10,569.06 = 4,301.86 : x
  2. Step 2: Convert to fraction form
    7,658.74/10,569.06 = 4,301.86/x
  3. Step 3: Cross multiply
    7,658.74x = 10,569.06 × 4,301.86
  4. Step 4: Simplify right side
    7,658.74x = 45,466,616.45
  5. Step 5: Solve for x
    x = 45,466,616.45/7,658.74
  6. Step 6: Final answer
    x = 5,936.57

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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.