Home / 6,416.32-9,618-2,519.20

Finding the Fourth Proportional to 6,416.32, 9,618 and 2,519.20

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Solution

The fourth proportional to 6,416.32, 9,618 and 2,519.20 is: 3,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.32 : 9,618 = 2,519.20 : x
  2. Step 2: Convert to fraction form
    6,416.32/9,618 = 2,519.20/x
  3. Step 3: Cross multiply
    6,416.32x = 9,618 × 2,519.20
  4. Step 4: Simplify right side
    6,416.32x = 24,229,665.60
  5. Step 5: Solve for x
    x = 24,229,665.60/6,416.32
  6. Step 6: Final answer
    x = 3,776.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.