Home / 5,218.52-7,828.50-1,756.76

Finding the Fourth Proportional to 5,218.52, 7,828.50 and 1,756.76

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Solution

The fourth proportional to 5,218.52, 7,828.50 and 1,756.76 is: 2,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.52 : 7,828.50 = 1,756.76 : x
  2. Step 2: Convert to fraction form
    5,218.52/7,828.50 = 1,756.76/x
  3. Step 3: Cross multiply
    5,218.52x = 7,828.50 × 1,756.76
  4. Step 4: Simplify right side
    5,218.52x = 13,752,795.66
  5. Step 5: Solve for x
    x = 13,752,795.66/5,218.52
  6. Step 6: Final answer
    x = 2,635.38

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1.5x scale

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.