Home / 5,357.77-8,030.39-3,278.76

Finding the Fourth Proportional to 5,357.77, 8,030.39 and 3,278.76

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Solution

The fourth proportional to 5,357.77, 8,030.39 and 3,278.76 is: 4,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.77 : 8,030.39 = 3,278.76 : x
  2. Step 2: Convert to fraction form
    5,357.77/8,030.39 = 3,278.76/x
  3. Step 3: Cross multiply
    5,357.77x = 8,030.39 × 3,278.76
  4. Step 4: Simplify right side
    5,357.77x = 26,329,721.52
  5. Step 5: Solve for x
    x = 26,329,721.52/5,357.77
  6. Step 6: Final answer
    x = 4,914.31

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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.