Home / 6,389.03-8,817.41-3,556.31

Finding the Fourth Proportional to 6,389.03, 8,817.41 and 3,556.31

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Solution

The fourth proportional to 6,389.03, 8,817.41 and 3,556.31 is: 4,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.03 : 8,817.41 = 3,556.31 : x
  2. Step 2: Convert to fraction form
    6,389.03/8,817.41 = 3,556.31/x
  3. Step 3: Cross multiply
    6,389.03x = 8,817.41 × 3,556.31
  4. Step 4: Simplify right side
    6,389.03x = 31,357,388.16
  5. Step 5: Solve for x
    x = 31,357,388.16/6,389.03
  6. Step 6: Final answer
    x = 4,908.01

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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.