Home / 10,460.08-15,686.78-3,438.46

Finding the Fourth Proportional to 10,460.08, 15,686.78 and 3,438.46

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Solution

The fourth proportional to 10,460.08, 15,686.78 and 3,438.46 is: 5,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.08 : 15,686.78 = 3,438.46 : x
  2. Step 2: Convert to fraction form
    10,460.08/15,686.78 = 3,438.46/x
  3. Step 3: Cross multiply
    10,460.08x = 15,686.78 × 3,438.46
  4. Step 4: Simplify right side
    10,460.08x = 53,938,431.44
  5. Step 5: Solve for x
    x = 53,938,431.44/10,460.08
  6. Step 6: Final answer
    x = 5,156.60

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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.