Home / 5,265.30-7,265.78-2,907.49

Finding the Fourth Proportional to 5,265.30, 7,265.78 and 2,907.49

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Solution

The fourth proportional to 5,265.30, 7,265.78 and 2,907.49 is: 4,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.30 : 7,265.78 = 2,907.49 : x
  2. Step 2: Convert to fraction form
    5,265.30/7,265.78 = 2,907.49/x
  3. Step 3: Cross multiply
    5,265.30x = 7,265.78 × 2,907.49
  4. Step 4: Simplify right side
    5,265.30x = 21,125,182.69
  5. Step 5: Solve for x
    x = 21,125,182.69/5,265.30
  6. Step 6: Final answer
    x = 4,012.15

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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.