Home / 5,277.60-7,894.80-4,759.20

Finding the Fourth Proportional to 5,277.60, 7,894.80 and 4,759.20

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Solution

The fourth proportional to 5,277.60, 7,894.80 and 4,759.20 is: 7,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,894.80 = 4,759.20 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,894.80 = 4,759.20/x
  3. Step 3: Cross multiply
    5,277.60x = 7,894.80 × 4,759.20
  4. Step 4: Simplify right side
    5,277.60x = 37,572,932.16
  5. Step 5: Solve for x
    x = 37,572,932.16/5,277.60
  6. Step 6: Final answer
    x = 7,119.32

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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.