Home / 8,637.56-11,920.44-4,861.10

Finding the Fourth Proportional to 8,637.56, 11,920.44 and 4,861.10

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Solution

The fourth proportional to 8,637.56, 11,920.44 and 4,861.10 is: 6,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.56 : 11,920.44 = 4,861.10 : x
  2. Step 2: Convert to fraction form
    8,637.56/11,920.44 = 4,861.10/x
  3. Step 3: Cross multiply
    8,637.56x = 11,920.44 × 4,861.10
  4. Step 4: Simplify right side
    8,637.56x = 57,946,391.28
  5. Step 5: Solve for x
    x = 57,946,391.28/8,637.56
  6. Step 6: Final answer
    x = 6,708.66

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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.