Home / 6,907.86-10,358.64-3,789

Finding the Fourth Proportional to 6,907.86, 10,358.64 and 3,789

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Solution

The fourth proportional to 6,907.86, 10,358.64 and 3,789 is: 5,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.86 : 10,358.64 = 3,789 : x
  2. Step 2: Convert to fraction form
    6,907.86/10,358.64 = 3,789/x
  3. Step 3: Cross multiply
    6,907.86x = 10,358.64 × 3,789
  4. Step 4: Simplify right side
    6,907.86x = 39,248,886.96
  5. Step 5: Solve for x
    x = 39,248,886.96/6,907.86
  6. Step 6: Final answer
    x = 5,681.77

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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.