Home / 4,365.85-6,515.24-3,898.75

Finding the Fourth Proportional to 4,365.85, 6,515.24 and 3,898.75

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Solution

The fourth proportional to 4,365.85, 6,515.24 and 3,898.75 is: 5,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.85 : 6,515.24 = 3,898.75 : x
  2. Step 2: Convert to fraction form
    4,365.85/6,515.24 = 3,898.75/x
  3. Step 3: Cross multiply
    4,365.85x = 6,515.24 × 3,898.75
  4. Step 4: Simplify right side
    4,365.85x = 25,401,268.38
  5. Step 5: Solve for x
    x = 25,401,268.38/4,365.85
  6. Step 6: Final answer
    x = 5,818.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.