Home / 7,727.80-10,663.58-4,743.76

Finding the Fourth Proportional to 7,727.80, 10,663.58 and 4,743.76

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Solution

The fourth proportional to 7,727.80, 10,663.58 and 4,743.76 is: 6,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.80 : 10,663.58 = 4,743.76 : x
  2. Step 2: Convert to fraction form
    7,727.80/10,663.58 = 4,743.76/x
  3. Step 3: Cross multiply
    7,727.80x = 10,663.58 × 4,743.76
  4. Step 4: Simplify right side
    7,727.80x = 50,585,464.26
  5. Step 5: Solve for x
    x = 50,585,464.26/7,727.80
  6. Step 6: Final answer
    x = 6,545.91

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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.