Home / 10,290.32-15,435.46-2,895.52

Finding the Fourth Proportional to 10,290.32, 15,435.46 and 2,895.52

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Solution

The fourth proportional to 10,290.32, 15,435.46 and 2,895.52 is: 4,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.32 : 15,435.46 = 2,895.52 : x
  2. Step 2: Convert to fraction form
    10,290.32/15,435.46 = 2,895.52/x
  3. Step 3: Cross multiply
    10,290.32x = 15,435.46 × 2,895.52
  4. Step 4: Simplify right side
    10,290.32x = 44,693,683.14
  5. Step 5: Solve for x
    x = 44,693,683.14/10,290.32
  6. Step 6: Final answer
    x = 4,343.27

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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.