Home / 5,099.60-7,035.40-3,699.28

Finding the Fourth Proportional to 5,099.60, 7,035.40 and 3,699.28

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Solution

The fourth proportional to 5,099.60, 7,035.40 and 3,699.28 is: 5,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.60 : 7,035.40 = 3,699.28 : x
  2. Step 2: Convert to fraction form
    5,099.60/7,035.40 = 3,699.28/x
  3. Step 3: Cross multiply
    5,099.60x = 7,035.40 × 3,699.28
  4. Step 4: Simplify right side
    5,099.60x = 26,025,914.51
  5. Step 5: Solve for x
    x = 26,025,914.51/5,099.60
  6. Step 6: Final answer
    x = 5,103.52

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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.