Home / 7,423.08-10,219.68-6,491.04

Finding the Fourth Proportional to 7,423.08, 10,219.68 and 6,491.04

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Solution

The fourth proportional to 7,423.08, 10,219.68 and 6,491.04 is: 8,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.08 : 10,219.68 = 6,491.04 : x
  2. Step 2: Convert to fraction form
    7,423.08/10,219.68 = 6,491.04/x
  3. Step 3: Cross multiply
    7,423.08x = 10,219.68 × 6,491.04
  4. Step 4: Simplify right side
    7,423.08x = 66,336,351.67
  5. Step 5: Solve for x
    x = 66,336,351.67/7,423.08
  6. Step 6: Final answer
    x = 8,936.50

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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.