Home / 8,619.61-11,895.07-4,842.77

Finding the Fourth Proportional to 8,619.61, 11,895.07 and 4,842.77

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Solution

The fourth proportional to 8,619.61, 11,895.07 and 4,842.77 is: 6,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.61 : 11,895.07 = 4,842.77 : x
  2. Step 2: Convert to fraction form
    8,619.61/11,895.07 = 4,842.77/x
  3. Step 3: Cross multiply
    8,619.61x = 11,895.07 × 4,842.77
  4. Step 4: Simplify right side
    8,619.61x = 57,605,063.93
  5. Step 5: Solve for x
    x = 57,605,063.93/8,619.61
  6. Step 6: Final answer
    x = 6,683.03

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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.