Home / 6,430.62-9,628.14-3,303.90

Finding the Fourth Proportional to 6,430.62, 9,628.14 and 3,303.90

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Solution

The fourth proportional to 6,430.62, 9,628.14 and 3,303.90 is: 4,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.62 : 9,628.14 = 3,303.90 : x
  2. Step 2: Convert to fraction form
    6,430.62/9,628.14 = 3,303.90/x
  3. Step 3: Cross multiply
    6,430.62x = 9,628.14 × 3,303.90
  4. Step 4: Simplify right side
    6,430.62x = 31,810,411.75
  5. Step 5: Solve for x
    x = 31,810,411.75/6,430.62
  6. Step 6: Final answer
    x = 4,946.71

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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.