Home / 7,515.81-10,375.16-4,491.99

Finding the Fourth Proportional to 7,515.81, 10,375.16 and 4,491.99

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Solution

The fourth proportional to 7,515.81, 10,375.16 and 4,491.99 is: 6,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.81 : 10,375.16 = 4,491.99 : x
  2. Step 2: Convert to fraction form
    7,515.81/10,375.16 = 4,491.99/x
  3. Step 3: Cross multiply
    7,515.81x = 10,375.16 × 4,491.99
  4. Step 4: Simplify right side
    7,515.81x = 46,605,092.51
  5. Step 5: Solve for x
    x = 46,605,092.51/7,515.81
  6. Step 6: Final answer
    x = 6,200.94

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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.