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Finding the Fourth Proportional to 7,532.88, 10,388.16 and 4,507.48

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Solution

The fourth proportional to 7,532.88, 10,388.16 and 4,507.48 is: 6,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.88 : 10,388.16 = 4,507.48 : x
  2. Step 2: Convert to fraction form
    7,532.88/10,388.16 = 4,507.48/x
  3. Step 3: Cross multiply
    7,532.88x = 10,388.16 × 4,507.48
  4. Step 4: Simplify right side
    7,532.88x = 46,824,484.41
  5. Step 5: Solve for x
    x = 46,824,484.41/7,532.88
  6. Step 6: Final answer
    x = 6,216.01

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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.