Home / 10,648.32-15,973.44-2,857.08

Finding the Fourth Proportional to 10,648.32, 15,973.44 and 2,857.08

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Solution

The fourth proportional to 10,648.32, 15,973.44 and 2,857.08 is: 4,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.32 : 15,973.44 = 2,857.08 : x
  2. Step 2: Convert to fraction form
    10,648.32/15,973.44 = 2,857.08/x
  3. Step 3: Cross multiply
    10,648.32x = 15,973.44 × 2,857.08
  4. Step 4: Simplify right side
    10,648.32x = 45,637,395.96
  5. Step 5: Solve for x
    x = 45,637,395.96/10,648.32
  6. Step 6: Final answer
    x = 4,285.88

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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.