Home / 7,764.65-10,715.23-4,227.88

Finding the Fourth Proportional to 7,764.65, 10,715.23 and 4,227.88

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Solution

The fourth proportional to 7,764.65, 10,715.23 and 4,227.88 is: 5,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.65 : 10,715.23 = 4,227.88 : x
  2. Step 2: Convert to fraction form
    7,764.65/10,715.23 = 4,227.88/x
  3. Step 3: Cross multiply
    7,764.65x = 10,715.23 × 4,227.88
  4. Step 4: Simplify right side
    7,764.65x = 45,302,653.04
  5. Step 5: Solve for x
    x = 45,302,653.04/7,764.65
  6. Step 6: Final answer
    x = 5,834.48

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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.