Home / 10,484.66-15,719.78-3,907.28

Finding the Fourth Proportional to 10,484.66, 15,719.78 and 3,907.28

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Solution

The fourth proportional to 10,484.66, 15,719.78 and 3,907.28 is: 5,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.66 : 15,719.78 = 3,907.28 : x
  2. Step 2: Convert to fraction form
    10,484.66/15,719.78 = 3,907.28/x
  3. Step 3: Cross multiply
    10,484.66x = 15,719.78 × 3,907.28
  4. Step 4: Simplify right side
    10,484.66x = 61,421,582.00
  5. Step 5: Solve for x
    x = 61,421,582.00/10,484.66
  6. Step 6: Final answer
    x = 5,858.23

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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.