Home / 5,628.74-8,433.99-3,430.80

Finding the Fourth Proportional to 5,628.74, 8,433.99 and 3,430.80

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Solution

The fourth proportional to 5,628.74, 8,433.99 and 3,430.80 is: 5,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.74 : 8,433.99 = 3,430.80 : x
  2. Step 2: Convert to fraction form
    5,628.74/8,433.99 = 3,430.80/x
  3. Step 3: Cross multiply
    5,628.74x = 8,433.99 × 3,430.80
  4. Step 4: Simplify right side
    5,628.74x = 28,935,332.89
  5. Step 5: Solve for x
    x = 28,935,332.89/5,628.74
  6. Step 6: Final answer
    x = 5,140.65

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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.