Home / 7,626.28-10,527.78-5,389.96

Finding the Fourth Proportional to 7,626.28, 10,527.78 and 5,389.96

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Solution

The fourth proportional to 7,626.28, 10,527.78 and 5,389.96 is: 7,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.28 : 10,527.78 = 5,389.96 : x
  2. Step 2: Convert to fraction form
    7,626.28/10,527.78 = 5,389.96/x
  3. Step 3: Cross multiply
    7,626.28x = 10,527.78 × 5,389.96
  4. Step 4: Simplify right side
    7,626.28x = 56,744,313.09
  5. Step 5: Solve for x
    x = 56,744,313.09/7,626.28
  6. Step 6: Final answer
    x = 7,440.63

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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.