Home / 6,381.35-8,806.08-3,548.69

Finding the Fourth Proportional to 6,381.35, 8,806.08 and 3,548.69

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Solution

The fourth proportional to 6,381.35, 8,806.08 and 3,548.69 is: 4,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.35 : 8,806.08 = 3,548.69 : x
  2. Step 2: Convert to fraction form
    6,381.35/8,806.08 = 3,548.69/x
  3. Step 3: Cross multiply
    6,381.35x = 8,806.08 × 3,548.69
  4. Step 4: Simplify right side
    6,381.35x = 31,249,986.26
  5. Step 5: Solve for x
    x = 31,249,986.26/6,381.35
  6. Step 6: Final answer
    x = 4,897.08

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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.