Home / 5,135.48-7,699.74-2,013.53

Finding the Fourth Proportional to 5,135.48, 7,699.74 and 2,013.53

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Solution

The fourth proportional to 5,135.48, 7,699.74 and 2,013.53 is: 3,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.48 : 7,699.74 = 2,013.53 : x
  2. Step 2: Convert to fraction form
    5,135.48/7,699.74 = 2,013.53/x
  3. Step 3: Cross multiply
    5,135.48x = 7,699.74 × 2,013.53
  4. Step 4: Simplify right side
    5,135.48x = 15,503,657.48
  5. Step 5: Solve for x
    x = 15,503,657.48/5,135.48
  6. Step 6: Final answer
    x = 3,018.93

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1.5x scale

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.