Home / 8,327.65-12,491.48-4,628.11

Finding the Fourth Proportional to 8,327.65, 12,491.48 and 4,628.11

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Solution

The fourth proportional to 8,327.65, 12,491.48 and 4,628.11 is: 6,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.65 : 12,491.48 = 4,628.11 : x
  2. Step 2: Convert to fraction form
    8,327.65/12,491.48 = 4,628.11/x
  3. Step 3: Cross multiply
    8,327.65x = 12,491.48 × 4,628.11
  4. Step 4: Simplify right side
    8,327.65x = 57,811,943.50
  5. Step 5: Solve for x
    x = 57,811,943.50/8,327.65
  6. Step 6: Final answer
    x = 6,942.17

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1.5x scale

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.