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Finding the Fourth Proportional to 6,444.57, 9,647.40 and 5,828.57

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Solution

The fourth proportional to 6,444.57, 9,647.40 and 5,828.57 is: 8,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.57 : 9,647.40 = 5,828.57 : x
  2. Step 2: Convert to fraction form
    6,444.57/9,647.40 = 5,828.57/x
  3. Step 3: Cross multiply
    6,444.57x = 9,647.40 × 5,828.57
  4. Step 4: Simplify right side
    6,444.57x = 56,230,497.98
  5. Step 5: Solve for x
    x = 56,230,497.98/6,444.57
  6. Step 6: Final answer
    x = 8,725.25

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1.5x scale

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.