Home / 7,999.12-11,037.72-4,461.76

Finding the Fourth Proportional to 7,999.12, 11,037.72 and 4,461.76

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Solution

The fourth proportional to 7,999.12, 11,037.72 and 4,461.76 is: 6,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.12 : 11,037.72 = 4,461.76 : x
  2. Step 2: Convert to fraction form
    7,999.12/11,037.72 = 4,461.76/x
  3. Step 3: Cross multiply
    7,999.12x = 11,037.72 × 4,461.76
  4. Step 4: Simplify right side
    7,999.12x = 49,247,657.59
  5. Step 5: Solve for x
    x = 49,247,657.59/7,999.12
  6. Step 6: Final answer
    x = 6,156.63

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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.