Home / 7,997.08-11,038.38-4,640.72

Finding the Fourth Proportional to 7,997.08, 11,038.38 and 4,640.72

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Solution

The fourth proportional to 7,997.08, 11,038.38 and 4,640.72 is: 6,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.08 : 11,038.38 = 4,640.72 : x
  2. Step 2: Convert to fraction form
    7,997.08/11,038.38 = 4,640.72/x
  3. Step 3: Cross multiply
    7,997.08x = 11,038.38 × 4,640.72
  4. Step 4: Simplify right side
    7,997.08x = 51,226,030.83
  5. Step 5: Solve for x
    x = 51,226,030.83/7,997.08
  6. Step 6: Final answer
    x = 6,405.59

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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.