Home / 5,353.50-7,390.08-3,495.90

Finding the Fourth Proportional to 5,353.50, 7,390.08 and 3,495.90

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Solution

The fourth proportional to 5,353.50, 7,390.08 and 3,495.90 is: 4,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.50 : 7,390.08 = 3,495.90 : x
  2. Step 2: Convert to fraction form
    5,353.50/7,390.08 = 3,495.90/x
  3. Step 3: Cross multiply
    5,353.50x = 7,390.08 × 3,495.90
  4. Step 4: Simplify right side
    5,353.50x = 25,834,980.67
  5. Step 5: Solve for x
    x = 25,834,980.67/5,353.50
  6. Step 6: Final answer
    x = 4,825.81

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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.