Home / 8,416.28-12,618-4,029.50

Finding the Fourth Proportional to 8,416.28, 12,618 and 4,029.50

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Solution

The fourth proportional to 8,416.28, 12,618 and 4,029.50 is: 6,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.28 : 12,618 = 4,029.50 : x
  2. Step 2: Convert to fraction form
    8,416.28/12,618 = 4,029.50/x
  3. Step 3: Cross multiply
    8,416.28x = 12,618 × 4,029.50
  4. Step 4: Simplify right side
    8,416.28x = 50,844,231
  5. Step 5: Solve for x
    x = 50,844,231/8,416.28
  6. Step 6: Final answer
    x = 6,041.18

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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.