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Finding the Fourth Proportional to 7,395.60, 10,206 and 4,038.46

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Solution

The fourth proportional to 7,395.60, 10,206 and 4,038.46 is: 5,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.60 : 10,206 = 4,038.46 : x
  2. Step 2: Convert to fraction form
    7,395.60/10,206 = 4,038.46/x
  3. Step 3: Cross multiply
    7,395.60x = 10,206 × 4,038.46
  4. Step 4: Simplify right side
    7,395.60x = 41,216,497.25
  5. Step 5: Solve for x
    x = 41,216,497.25/7,395.60
  6. Step 6: Final answer
    x = 5,573.11

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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.