Home / 8,445.25-11,651.61-4,907.17

Finding the Fourth Proportional to 8,445.25, 11,651.61 and 4,907.17

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Solution

The fourth proportional to 8,445.25, 11,651.61 and 4,907.17 is: 6,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.25 : 11,651.61 = 4,907.17 : x
  2. Step 2: Convert to fraction form
    8,445.25/11,651.61 = 4,907.17/x
  3. Step 3: Cross multiply
    8,445.25x = 11,651.61 × 4,907.17
  4. Step 4: Simplify right side
    8,445.25x = 57,176,431.04
  5. Step 5: Solve for x
    x = 57,176,431.04/8,445.25
  6. Step 6: Final answer
    x = 6,770.25

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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.