Home / 6,381.37-8,806.59-3,549.03

Finding the Fourth Proportional to 6,381.37, 8,806.59 and 3,549.03

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Solution

The fourth proportional to 6,381.37, 8,806.59 and 3,549.03 is: 4,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.37 : 8,806.59 = 3,549.03 : x
  2. Step 2: Convert to fraction form
    6,381.37/8,806.59 = 3,549.03/x
  3. Step 3: Cross multiply
    6,381.37x = 8,806.59 × 3,549.03
  4. Step 4: Simplify right side
    6,381.37x = 31,254,852.11
  5. Step 5: Solve for x
    x = 31,254,852.11/6,381.37
  6. Step 6: Final answer
    x = 4,897.83

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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.