Home / 10,460.51-15,687.42-3,438.90

Finding the Fourth Proportional to 10,460.51, 15,687.42 and 3,438.90

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Solution

The fourth proportional to 10,460.51, 15,687.42 and 3,438.90 is: 5,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.51 : 15,687.42 = 3,438.90 : x
  2. Step 2: Convert to fraction form
    10,460.51/15,687.42 = 3,438.90/x
  3. Step 3: Cross multiply
    10,460.51x = 15,687.42 × 3,438.90
  4. Step 4: Simplify right side
    10,460.51x = 53,947,468.64
  5. Step 5: Solve for x
    x = 53,947,468.64/10,460.51
  6. Step 6: Final answer
    x = 5,157.25

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1.5x scale

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.