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Finding the Fourth Proportional to 7,533, 10,395.54 and 4,221

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Solution

The fourth proportional to 7,533, 10,395.54 and 4,221 is: 5,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,533 : 10,395.54 = 4,221 : x
  2. Step 2: Convert to fraction form
    7,533/10,395.54 = 4,221/x
  3. Step 3: Cross multiply
    7,533x = 10,395.54 × 4,221
  4. Step 4: Simplify right side
    7,533x = 43,879,574.34
  5. Step 5: Solve for x
    x = 43,879,574.34/7,533
  6. Step 6: Final answer
    x = 5,824.98

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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.