Home / 4,365.91-6,515.33-3,898.81

Finding the Fourth Proportional to 4,365.91, 6,515.33 and 3,898.81

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Solution

The fourth proportional to 4,365.91, 6,515.33 and 3,898.81 is: 5,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.91 : 6,515.33 = 3,898.81 : x
  2. Step 2: Convert to fraction form
    4,365.91/6,515.33 = 3,898.81/x
  3. Step 3: Cross multiply
    4,365.91x = 6,515.33 × 3,898.81
  4. Step 4: Simplify right side
    4,365.91x = 25,402,033.76
  5. Step 5: Solve for x
    x = 25,402,033.76/4,365.91
  6. Step 6: Final answer
    x = 5,818.27

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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.