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Finding the Fourth Proportional to 7,352.88, 10,148.64 and 4,835.22

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Solution

The fourth proportional to 7,352.88, 10,148.64 and 4,835.22 is: 6,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.88 : 10,148.64 = 4,835.22 : x
  2. Step 2: Convert to fraction form
    7,352.88/10,148.64 = 4,835.22/x
  3. Step 3: Cross multiply
    7,352.88x = 10,148.64 × 4,835.22
  4. Step 4: Simplify right side
    7,352.88x = 49,070,907.10
  5. Step 5: Solve for x
    x = 49,070,907.10/7,352.88
  6. Step 6: Final answer
    x = 6,673.70

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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.