Home / 6,386.24-8,812.80-4,026.11

Finding the Fourth Proportional to 6,386.24, 8,812.80 and 4,026.11

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Solution

The fourth proportional to 6,386.24, 8,812.80 and 4,026.11 is: 5,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.24 : 8,812.80 = 4,026.11 : x
  2. Step 2: Convert to fraction form
    6,386.24/8,812.80 = 4,026.11/x
  3. Step 3: Cross multiply
    6,386.24x = 8,812.80 × 4,026.11
  4. Step 4: Simplify right side
    6,386.24x = 35,481,258.14
  5. Step 5: Solve for x
    x = 35,481,258.14/6,386.24
  6. Step 6: Final answer
    x = 5,555.89

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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.