Home / 7,769.07-10,721.88-5,886.36

Finding the Fourth Proportional to 7,769.07, 10,721.88 and 5,886.36

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Solution

The fourth proportional to 7,769.07, 10,721.88 and 5,886.36 is: 8,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.07 : 10,721.88 = 5,886.36 : x
  2. Step 2: Convert to fraction form
    7,769.07/10,721.88 = 5,886.36/x
  3. Step 3: Cross multiply
    7,769.07x = 10,721.88 × 5,886.36
  4. Step 4: Simplify right side
    7,769.07x = 63,112,845.56
  5. Step 5: Solve for x
    x = 63,112,845.56/7,769.07
  6. Step 6: Final answer
    x = 8,123.60

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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.