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Finding the Fourth Proportional to 6,435, 9,652.52 and 1,571

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Solution

The fourth proportional to 6,435, 9,652.52 and 1,571 is: 2,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435 : 9,652.52 = 1,571 : x
  2. Step 2: Convert to fraction form
    6,435/9,652.52 = 1,571/x
  3. Step 3: Cross multiply
    6,435x = 9,652.52 × 1,571
  4. Step 4: Simplify right side
    6,435x = 15,164,108.92
  5. Step 5: Solve for x
    x = 15,164,108.92/6,435
  6. Step 6: Final answer
    x = 2,356.50

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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.