Home / 7,515.94-10,371.95-4,158.55

Finding the Fourth Proportional to 7,515.94, 10,371.95 and 4,158.55

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Solution

The fourth proportional to 7,515.94, 10,371.95 and 4,158.55 is: 5,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.94 : 10,371.95 = 4,158.55 : x
  2. Step 2: Convert to fraction form
    7,515.94/10,371.95 = 4,158.55/x
  3. Step 3: Cross multiply
    7,515.94x = 10,371.95 × 4,158.55
  4. Step 4: Simplify right side
    7,515.94x = 43,132,225.95
  5. Step 5: Solve for x
    x = 43,132,225.95/7,515.94
  6. Step 6: Final answer
    x = 5,738.77

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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.