Home / 7,769.28-11,653.76-1,925.82

Finding the Fourth Proportional to 7,769.28, 11,653.76 and 1,925.82

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Solution

The fourth proportional to 7,769.28, 11,653.76 and 1,925.82 is: 2,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.28 : 11,653.76 = 1,925.82 : x
  2. Step 2: Convert to fraction form
    7,769.28/11,653.76 = 1,925.82/x
  3. Step 3: Cross multiply
    7,769.28x = 11,653.76 × 1,925.82
  4. Step 4: Simplify right side
    7,769.28x = 22,443,044.08
  5. Step 5: Solve for x
    x = 22,443,044.08/7,769.28
  6. Step 6: Final answer
    x = 2,888.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.