Home / 5,039.09-7,520.53-4,907.87

Finding the Fourth Proportional to 5,039.09, 7,520.53 and 4,907.87

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Solution

The fourth proportional to 5,039.09, 7,520.53 and 4,907.87 is: 7,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.09 : 7,520.53 = 4,907.87 : x
  2. Step 2: Convert to fraction form
    5,039.09/7,520.53 = 4,907.87/x
  3. Step 3: Cross multiply
    5,039.09x = 7,520.53 × 4,907.87
  4. Step 4: Simplify right side
    5,039.09x = 36,909,813.41
  5. Step 5: Solve for x
    x = 36,909,813.41/5,039.09
  6. Step 6: Final answer
    x = 7,324.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.