Home / 5,055.45-7,582.56-1,357.95

Finding the Fourth Proportional to 5,055.45, 7,582.56 and 1,357.95

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Solution

The fourth proportional to 5,055.45, 7,582.56 and 1,357.95 is: 2,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.45 : 7,582.56 = 1,357.95 : x
  2. Step 2: Convert to fraction form
    5,055.45/7,582.56 = 1,357.95/x
  3. Step 3: Cross multiply
    5,055.45x = 7,582.56 × 1,357.95
  4. Step 4: Simplify right side
    5,055.45x = 10,296,737.35
  5. Step 5: Solve for x
    x = 10,296,737.35/5,055.45
  6. Step 6: Final answer
    x = 2,036.76

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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.