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Finding the Fourth Proportional to 5,532.24, 7,632 and 3,643.32

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Solution

The fourth proportional to 5,532.24, 7,632 and 3,643.32 is: 5,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.24 : 7,632 = 3,643.32 : x
  2. Step 2: Convert to fraction form
    5,532.24/7,632 = 3,643.32/x
  3. Step 3: Cross multiply
    5,532.24x = 7,632 × 3,643.32
  4. Step 4: Simplify right side
    5,532.24x = 27,805,818.24
  5. Step 5: Solve for x
    x = 27,805,818.24/5,532.24
  6. Step 6: Final answer
    x = 5,026.14

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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.