Home / 5,210.10-7,795.71-5,151.78

Finding the Fourth Proportional to 5,210.10, 7,795.71 and 5,151.78

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Solution

The fourth proportional to 5,210.10, 7,795.71 and 5,151.78 is: 7,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.10 : 7,795.71 = 5,151.78 : x
  2. Step 2: Convert to fraction form
    5,210.10/7,795.71 = 5,151.78/x
  3. Step 3: Cross multiply
    5,210.10x = 7,795.71 × 5,151.78
  4. Step 4: Simplify right side
    5,210.10x = 40,161,782.86
  5. Step 5: Solve for x
    x = 40,161,782.86/5,210.10
  6. Step 6: Final answer
    x = 7,708.45

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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.