Home / 5,465.16-8,205.93-3,127.80

Finding the Fourth Proportional to 5,465.16, 8,205.93 and 3,127.80

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Solution

The fourth proportional to 5,465.16, 8,205.93 and 3,127.80 is: 4,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.16 : 8,205.93 = 3,127.80 : x
  2. Step 2: Convert to fraction form
    5,465.16/8,205.93 = 3,127.80/x
  3. Step 3: Cross multiply
    5,465.16x = 8,205.93 × 3,127.80
  4. Step 4: Simplify right side
    5,465.16x = 25,666,519.58
  5. Step 5: Solve for x
    x = 25,666,519.58/5,465.16
  6. Step 6: Final answer
    x = 4,696.39

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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.