Home / 8,637.96-11,920.37-4,861.13

Finding the Fourth Proportional to 8,637.96, 11,920.37 and 4,861.13

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Solution

The fourth proportional to 8,637.96, 11,920.37 and 4,861.13 is: 6,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.96 : 11,920.37 = 4,861.13 : x
  2. Step 2: Convert to fraction form
    8,637.96/11,920.37 = 4,861.13/x
  3. Step 3: Cross multiply
    8,637.96x = 11,920.37 × 4,861.13
  4. Step 4: Simplify right side
    8,637.96x = 57,946,473.71
  5. Step 5: Solve for x
    x = 57,946,473.71/8,637.96
  6. Step 6: Final answer
    x = 6,708.35

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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.