Home / 10,570.76-15,858.30-3,644.36

Finding the Fourth Proportional to 10,570.76, 15,858.30 and 3,644.36

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Solution

The fourth proportional to 10,570.76, 15,858.30 and 3,644.36 is: 5,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.76 : 15,858.30 = 3,644.36 : x
  2. Step 2: Convert to fraction form
    10,570.76/15,858.30 = 3,644.36/x
  3. Step 3: Cross multiply
    10,570.76x = 15,858.30 × 3,644.36
  4. Step 4: Simplify right side
    10,570.76x = 57,793,354.19
  5. Step 5: Solve for x
    x = 57,793,354.19/10,570.76
  6. Step 6: Final answer
    x = 5,467.28

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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.