Home / 7,643.35-11,470.47-3,483.91

Finding the Fourth Proportional to 7,643.35, 11,470.47 and 3,483.91

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Solution

The fourth proportional to 7,643.35, 11,470.47 and 3,483.91 is: 5,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.35 : 11,470.47 = 3,483.91 : x
  2. Step 2: Convert to fraction form
    7,643.35/11,470.47 = 3,483.91/x
  3. Step 3: Cross multiply
    7,643.35x = 11,470.47 × 3,483.91
  4. Step 4: Simplify right side
    7,643.35x = 39,962,085.14
  5. Step 5: Solve for x
    x = 39,962,085.14/7,643.35
  6. Step 6: Final answer
    x = 5,228.35

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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.