Home / 7,618.78-10,515.04-4,634.04

Finding the Fourth Proportional to 7,618.78, 10,515.04 and 4,634.04

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Solution

The fourth proportional to 7,618.78, 10,515.04 and 4,634.04 is: 6,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.78 : 10,515.04 = 4,634.04 : x
  2. Step 2: Convert to fraction form
    7,618.78/10,515.04 = 4,634.04/x
  3. Step 3: Cross multiply
    7,618.78x = 10,515.04 × 4,634.04
  4. Step 4: Simplify right side
    7,618.78x = 48,727,040.22
  5. Step 5: Solve for x
    x = 48,727,040.22/7,618.78
  6. Step 6: Final answer
    x = 6,395.65

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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.