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Finding the Fourth Proportional to 5,566.32, 8,345.16 and 2,640.24

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Solution

The fourth proportional to 5,566.32, 8,345.16 and 2,640.24 is: 3,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.32 : 8,345.16 = 2,640.24 : x
  2. Step 2: Convert to fraction form
    5,566.32/8,345.16 = 2,640.24/x
  3. Step 3: Cross multiply
    5,566.32x = 8,345.16 × 2,640.24
  4. Step 4: Simplify right side
    5,566.32x = 22,033,225.24
  5. Step 5: Solve for x
    x = 22,033,225.24/5,566.32
  6. Step 6: Final answer
    x = 3,958.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.