Home / 7,165.29-9,889.34-4,182.87

Finding the Fourth Proportional to 7,165.29, 9,889.34 and 4,182.87

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Solution

The fourth proportional to 7,165.29, 9,889.34 and 4,182.87 is: 5,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.29 : 9,889.34 = 4,182.87 : x
  2. Step 2: Convert to fraction form
    7,165.29/9,889.34 = 4,182.87/x
  3. Step 3: Cross multiply
    7,165.29x = 9,889.34 × 4,182.87
  4. Step 4: Simplify right side
    7,165.29x = 41,365,802.69
  5. Step 5: Solve for x
    x = 41,365,802.69/7,165.29
  6. Step 6: Final answer
    x = 5,773.08

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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.