Home / 10,318.26-15,485.58-3,746.28

Finding the Fourth Proportional to 10,318.26, 15,485.58 and 3,746.28

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Solution

The fourth proportional to 10,318.26, 15,485.58 and 3,746.28 is: 5,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.26 : 15,485.58 = 3,746.28 : x
  2. Step 2: Convert to fraction form
    10,318.26/15,485.58 = 3,746.28/x
  3. Step 3: Cross multiply
    10,318.26x = 15,485.58 × 3,746.28
  4. Step 4: Simplify right side
    10,318.26x = 58,013,318.64
  5. Step 5: Solve for x
    x = 58,013,318.64/10,318.26
  6. Step 6: Final answer
    x = 5,622.39

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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.