Home / 7,515.29-10,370.48-4,328.42

Finding the Fourth Proportional to 7,515.29, 10,370.48 and 4,328.42

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Solution

The fourth proportional to 7,515.29, 10,370.48 and 4,328.42 is: 5,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.29 : 10,370.48 = 4,328.42 : x
  2. Step 2: Convert to fraction form
    7,515.29/10,370.48 = 4,328.42/x
  3. Step 3: Cross multiply
    7,515.29x = 10,370.48 × 4,328.42
  4. Step 4: Simplify right side
    7,515.29x = 44,887,719.55
  5. Step 5: Solve for x
    x = 44,887,719.55/7,515.29
  6. Step 6: Final answer
    x = 5,972.86

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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.