Home / 4,763.36-7,140.08-2,909.52

Finding the Fourth Proportional to 4,763.36, 7,140.08 and 2,909.52

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Solution

The fourth proportional to 4,763.36, 7,140.08 and 2,909.52 is: 4,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.36 : 7,140.08 = 2,909.52 : x
  2. Step 2: Convert to fraction form
    4,763.36/7,140.08 = 2,909.52/x
  3. Step 3: Cross multiply
    4,763.36x = 7,140.08 × 2,909.52
  4. Step 4: Simplify right side
    4,763.36x = 20,774,205.56
  5. Step 5: Solve for x
    x = 20,774,205.56/4,763.36
  6. Step 6: Final answer
    x = 4,361.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.