Home / 5,328.71-7,353.63-3,091.91

Finding the Fourth Proportional to 5,328.71, 7,353.63 and 3,091.91

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Solution

The fourth proportional to 5,328.71, 7,353.63 and 3,091.91 is: 4,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.71 : 7,353.63 = 3,091.91 : x
  2. Step 2: Convert to fraction form
    5,328.71/7,353.63 = 3,091.91/x
  3. Step 3: Cross multiply
    5,328.71x = 7,353.63 × 3,091.91
  4. Step 4: Simplify right side
    5,328.71x = 22,736,762.13
  5. Step 5: Solve for x
    x = 22,736,762.13/5,328.71
  6. Step 6: Final answer
    x = 4,266.84

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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.