Home / 6,307.96-8,705.22-3,513.64

Finding the Fourth Proportional to 6,307.96, 8,705.22 and 3,513.64

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Solution

The fourth proportional to 6,307.96, 8,705.22 and 3,513.64 is: 4,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.96 : 8,705.22 = 3,513.64 : x
  2. Step 2: Convert to fraction form
    6,307.96/8,705.22 = 3,513.64/x
  3. Step 3: Cross multiply
    6,307.96x = 8,705.22 × 3,513.64
  4. Step 4: Simplify right side
    6,307.96x = 30,587,009.20
  5. Step 5: Solve for x
    x = 30,587,009.20/6,307.96
  6. Step 6: Final answer
    x = 4,848.95

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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.