Home / 7,515.65-10,369.73-4,859.87

Finding the Fourth Proportional to 7,515.65, 10,369.73 and 4,859.87

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Solution

The fourth proportional to 7,515.65, 10,369.73 and 4,859.87 is: 6,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.65 : 10,369.73 = 4,859.87 : x
  2. Step 2: Convert to fraction form
    7,515.65/10,369.73 = 4,859.87/x
  3. Step 3: Cross multiply
    7,515.65x = 10,369.73 × 4,859.87
  4. Step 4: Simplify right side
    7,515.65x = 50,395,463.59
  5. Step 5: Solve for x
    x = 50,395,463.59/7,515.65
  6. Step 6: Final answer
    x = 6,705.41

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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.