Home / 7,618.92-10,515.48-4,475.28

Finding the Fourth Proportional to 7,618.92, 10,515.48 and 4,475.28

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Solution

The fourth proportional to 7,618.92, 10,515.48 and 4,475.28 is: 6,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.92 : 10,515.48 = 4,475.28 : x
  2. Step 2: Convert to fraction form
    7,618.92/10,515.48 = 4,475.28/x
  3. Step 3: Cross multiply
    7,618.92x = 10,515.48 × 4,475.28
  4. Step 4: Simplify right side
    7,618.92x = 47,059,717.33
  5. Step 5: Solve for x
    x = 47,059,717.33/7,618.92
  6. Step 6: Final answer
    x = 6,176.69

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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.