Home / 6,102.36-8,421.29-3,307.86

Finding the Fourth Proportional to 6,102.36, 8,421.29 and 3,307.86

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Solution

The fourth proportional to 6,102.36, 8,421.29 and 3,307.86 is: 4,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.36 : 8,421.29 = 3,307.86 : x
  2. Step 2: Convert to fraction form
    6,102.36/8,421.29 = 3,307.86/x
  3. Step 3: Cross multiply
    6,102.36x = 8,421.29 × 3,307.86
  4. Step 4: Simplify right side
    6,102.36x = 27,856,448.34
  5. Step 5: Solve for x
    x = 27,856,448.34/6,102.36
  6. Step 6: Final answer
    x = 4,564.86

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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.