Home / 5,135.60-7,700.96-2,535.50

Finding the Fourth Proportional to 5,135.60, 7,700.96 and 2,535.50

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Solution

The fourth proportional to 5,135.60, 7,700.96 and 2,535.50 is: 3,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.60 : 7,700.96 = 2,535.50 : x
  2. Step 2: Convert to fraction form
    5,135.60/7,700.96 = 2,535.50/x
  3. Step 3: Cross multiply
    5,135.60x = 7,700.96 × 2,535.50
  4. Step 4: Simplify right side
    5,135.60x = 19,525,784.08
  5. Step 5: Solve for x
    x = 19,525,784.08/5,135.60
  6. Step 6: Final answer
    x = 3,802.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.