Home / 7,717.05-10,649.54-4,359.87

Finding the Fourth Proportional to 7,717.05, 10,649.54 and 4,359.87

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Solution

The fourth proportional to 7,717.05, 10,649.54 and 4,359.87 is: 6,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.05 : 10,649.54 = 4,359.87 : x
  2. Step 2: Convert to fraction form
    7,717.05/10,649.54 = 4,359.87/x
  3. Step 3: Cross multiply
    7,717.05x = 10,649.54 × 4,359.87
  4. Step 4: Simplify right side
    7,717.05x = 46,430,588.16
  5. Step 5: Solve for x
    x = 46,430,588.16/7,717.05
  6. Step 6: Final answer
    x = 6,016.62

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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.