Home / 4,814.40-6,635.93-3,220.47

Finding the Fourth Proportional to 4,814.40, 6,635.93 and 3,220.47

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Solution

The fourth proportional to 4,814.40, 6,635.93 and 3,220.47 is: 4,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.40 : 6,635.93 = 3,220.47 : x
  2. Step 2: Convert to fraction form
    4,814.40/6,635.93 = 3,220.47/x
  3. Step 3: Cross multiply
    4,814.40x = 6,635.93 × 3,220.47
  4. Step 4: Simplify right side
    4,814.40x = 21,370,827.10
  5. Step 5: Solve for x
    x = 21,370,827.10/4,814.40
  6. Step 6: Final answer
    x = 4,438.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.