Home / 6,987.25-10,477.80-3,699.58

Finding the Fourth Proportional to 6,987.25, 10,477.80 and 3,699.58

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Solution

The fourth proportional to 6,987.25, 10,477.80 and 3,699.58 is: 5,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.25 : 10,477.80 = 3,699.58 : x
  2. Step 2: Convert to fraction form
    6,987.25/10,477.80 = 3,699.58/x
  3. Step 3: Cross multiply
    6,987.25x = 10,477.80 × 3,699.58
  4. Step 4: Simplify right side
    6,987.25x = 38,763,406.94
  5. Step 5: Solve for x
    x = 38,763,406.94/6,987.25
  6. Step 6: Final answer
    x = 5,547.73

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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.