Home / 8,440.49-11,647.27-4,663.61

Finding the Fourth Proportional to 8,440.49, 11,647.27 and 4,663.61

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Solution

The fourth proportional to 8,440.49, 11,647.27 and 4,663.61 is: 6,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.49 : 11,647.27 = 4,663.61 : x
  2. Step 2: Convert to fraction form
    8,440.49/11,647.27 = 4,663.61/x
  3. Step 3: Cross multiply
    8,440.49x = 11,647.27 × 4,663.61
  4. Step 4: Simplify right side
    8,440.49x = 54,318,381.65
  5. Step 5: Solve for x
    x = 54,318,381.65/8,440.49
  6. Step 6: Final answer
    x = 6,435.45

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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.