Home / 7,769.19-10,721.16-4,411.99

Finding the Fourth Proportional to 7,769.19, 10,721.16 and 4,411.99

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Solution

The fourth proportional to 7,769.19, 10,721.16 and 4,411.99 is: 6,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.19 : 10,721.16 = 4,411.99 : x
  2. Step 2: Convert to fraction form
    7,769.19/10,721.16 = 4,411.99/x
  3. Step 3: Cross multiply
    7,769.19x = 10,721.16 × 4,411.99
  4. Step 4: Simplify right side
    7,769.19x = 47,301,694.26
  5. Step 5: Solve for x
    x = 47,301,694.26/7,769.19
  6. Step 6: Final answer
    x = 6,088.37

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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.