Home / 8,723.99-12,039.06-4,947.88

Finding the Fourth Proportional to 8,723.99, 12,039.06 and 4,947.88

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Solution

The fourth proportional to 8,723.99, 12,039.06 and 4,947.88 is: 6,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.99 : 12,039.06 = 4,947.88 : x
  2. Step 2: Convert to fraction form
    8,723.99/12,039.06 = 4,947.88/x
  3. Step 3: Cross multiply
    8,723.99x = 12,039.06 × 4,947.88
  4. Step 4: Simplify right side
    8,723.99x = 59,567,824.19
  5. Step 5: Solve for x
    x = 59,567,824.19/8,723.99
  6. Step 6: Final answer
    x = 6,828.05

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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.