Home / 9,289.20-13,929.72-4,360.32

Finding the Fourth Proportional to 9,289.20, 13,929.72 and 4,360.32

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Solution

The fourth proportional to 9,289.20, 13,929.72 and 4,360.32 is: 6,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.20 : 13,929.72 = 4,360.32 : x
  2. Step 2: Convert to fraction form
    9,289.20/13,929.72 = 4,360.32/x
  3. Step 3: Cross multiply
    9,289.20x = 13,929.72 × 4,360.32
  4. Step 4: Simplify right side
    9,289.20x = 60,738,036.71
  5. Step 5: Solve for x
    x = 60,738,036.71/9,289.20
  6. Step 6: Final answer
    x = 6,538.56

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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.