Home / 7,997.45-11,038.90-4,641.09

Finding the Fourth Proportional to 7,997.45, 11,038.90 and 4,641.09

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Solution

The fourth proportional to 7,997.45, 11,038.90 and 4,641.09 is: 6,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.45 : 11,038.90 = 4,641.09 : x
  2. Step 2: Convert to fraction form
    7,997.45/11,038.90 = 4,641.09/x
  3. Step 3: Cross multiply
    7,997.45x = 11,038.90 × 4,641.09
  4. Step 4: Simplify right side
    7,997.45x = 51,232,528.40
  5. Step 5: Solve for x
    x = 51,232,528.40/7,997.45
  6. Step 6: Final answer
    x = 6,406.11

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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.