Home / 7,769.01-10,721.30-4,411.89

Finding the Fourth Proportional to 7,769.01, 10,721.30 and 4,411.89

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Solution

The fourth proportional to 7,769.01, 10,721.30 and 4,411.89 is: 6,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.01 : 10,721.30 = 4,411.89 : x
  2. Step 2: Convert to fraction form
    7,769.01/10,721.30 = 4,411.89/x
  3. Step 3: Cross multiply
    7,769.01x = 10,721.30 × 4,411.89
  4. Step 4: Simplify right side
    7,769.01x = 47,301,196.26
  5. Step 5: Solve for x
    x = 47,301,196.26/7,769.01
  6. Step 6: Final answer
    x = 6,088.45

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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.