Home / 7,426.14-10,245.84-6,491.40

Finding the Fourth Proportional to 7,426.14, 10,245.84 and 6,491.40

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Solution

The fourth proportional to 7,426.14, 10,245.84 and 6,491.40 is: 8,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.14 : 10,245.84 = 6,491.40 : x
  2. Step 2: Convert to fraction form
    7,426.14/10,245.84 = 6,491.40/x
  3. Step 3: Cross multiply
    7,426.14x = 10,245.84 × 6,491.40
  4. Step 4: Simplify right side
    7,426.14x = 66,509,845.78
  5. Step 5: Solve for x
    x = 66,509,845.78/7,426.14
  6. Step 6: Final answer
    x = 8,956.18

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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.