Home / 5,349.81-7,385.64-3,225.72

Finding the Fourth Proportional to 5,349.81, 7,385.64 and 3,225.72

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Solution

The fourth proportional to 5,349.81, 7,385.64 and 3,225.72 is: 4,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.81 : 7,385.64 = 3,225.72 : x
  2. Step 2: Convert to fraction form
    5,349.81/7,385.64 = 3,225.72/x
  3. Step 3: Cross multiply
    5,349.81x = 7,385.64 × 3,225.72
  4. Step 4: Simplify right side
    5,349.81x = 23,824,006.66
  5. Step 5: Solve for x
    x = 23,824,006.66/5,349.81
  6. Step 6: Final answer
    x = 4,453.24

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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.