Home / 9,005.56-12,427.58-4,972.44

Finding the Fourth Proportional to 9,005.56, 12,427.58 and 4,972.44

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Solution

The fourth proportional to 9,005.56, 12,427.58 and 4,972.44 is: 6,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.56 : 12,427.58 = 4,972.44 : x
  2. Step 2: Convert to fraction form
    9,005.56/12,427.58 = 4,972.44/x
  3. Step 3: Cross multiply
    9,005.56x = 12,427.58 × 4,972.44
  4. Step 4: Simplify right side
    9,005.56x = 61,795,395.90
  5. Step 5: Solve for x
    x = 61,795,395.90/9,005.56
  6. Step 6: Final answer
    x = 6,861.92

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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.