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Finding the Fourth Proportional to 6,431.16, 8,871.03 and 4,413.65

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Solution

The fourth proportional to 6,431.16, 8,871.03 and 4,413.65 is: 6,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.16 : 8,871.03 = 4,413.65 : x
  2. Step 2: Convert to fraction form
    6,431.16/8,871.03 = 4,413.65/x
  3. Step 3: Cross multiply
    6,431.16x = 8,871.03 × 4,413.65
  4. Step 4: Simplify right side
    6,431.16x = 39,153,599.49
  5. Step 5: Solve for x
    x = 39,153,599.49/6,431.16
  6. Step 6: Final answer
    x = 6,088.11

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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.