Home / 8,776.34-12,109.88-4,999.56

Finding the Fourth Proportional to 8,776.34, 12,109.88 and 4,999.56

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Solution

The fourth proportional to 8,776.34, 12,109.88 and 4,999.56 is: 6,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.34 : 12,109.88 = 4,999.56 : x
  2. Step 2: Convert to fraction form
    8,776.34/12,109.88 = 4,999.56/x
  3. Step 3: Cross multiply
    8,776.34x = 12,109.88 × 4,999.56
  4. Step 4: Simplify right side
    8,776.34x = 60,544,071.65
  5. Step 5: Solve for x
    x = 60,544,071.65/8,776.34
  6. Step 6: Final answer
    x = 6,898.56

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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.