Home / 9,148.03-13,730.55-3,605.20

Finding the Fourth Proportional to 9,148.03, 13,730.55 and 3,605.20

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Solution

The fourth proportional to 9,148.03, 13,730.55 and 3,605.20 is: 5,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.03 : 13,730.55 = 3,605.20 : x
  2. Step 2: Convert to fraction form
    9,148.03/13,730.55 = 3,605.20/x
  3. Step 3: Cross multiply
    9,148.03x = 13,730.55 × 3,605.20
  4. Step 4: Simplify right side
    9,148.03x = 49,501,378.86
  5. Step 5: Solve for x
    x = 49,501,378.86/9,148.03
  6. Step 6: Final answer
    x = 5,411.15

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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.