Home / 8,723.23-12,039.22-4,947.76

Finding the Fourth Proportional to 8,723.23, 12,039.22 and 4,947.76

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Solution

The fourth proportional to 8,723.23, 12,039.22 and 4,947.76 is: 6,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.23 : 12,039.22 = 4,947.76 : x
  2. Step 2: Convert to fraction form
    8,723.23/12,039.22 = 4,947.76/x
  3. Step 3: Cross multiply
    8,723.23x = 12,039.22 × 4,947.76
  4. Step 4: Simplify right side
    8,723.23x = 59,567,192.38
  5. Step 5: Solve for x
    x = 59,567,192.38/8,723.23
  6. Step 6: Final answer
    x = 6,828.57

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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.