Home / 7,515.77-10,371.38-4,158.45

Finding the Fourth Proportional to 7,515.77, 10,371.38 and 4,158.45

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Solution

The fourth proportional to 7,515.77, 10,371.38 and 4,158.45 is: 5,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.77 : 10,371.38 = 4,158.45 : x
  2. Step 2: Convert to fraction form
    7,515.77/10,371.38 = 4,158.45/x
  3. Step 3: Cross multiply
    7,515.77x = 10,371.38 × 4,158.45
  4. Step 4: Simplify right side
    7,515.77x = 43,128,844.37
  5. Step 5: Solve for x
    x = 43,128,844.37/7,515.77
  6. Step 6: Final answer
    x = 5,738.45

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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.