Home / 5,277.20-7,280.43-4,857.57

Finding the Fourth Proportional to 5,277.20, 7,280.43 and 4,857.57

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Solution

The fourth proportional to 5,277.20, 7,280.43 and 4,857.57 is: 6,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.20 : 7,280.43 = 4,857.57 : x
  2. Step 2: Convert to fraction form
    5,277.20/7,280.43 = 4,857.57/x
  3. Step 3: Cross multiply
    5,277.20x = 7,280.43 × 4,857.57
  4. Step 4: Simplify right side
    5,277.20x = 35,365,207.46
  5. Step 5: Solve for x
    x = 35,365,207.46/5,277.20
  6. Step 6: Final answer
    x = 6,701.51

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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.