Home / 8,402.90-12,594.96-4,246.70

Finding the Fourth Proportional to 8,402.90, 12,594.96 and 4,246.70

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Solution

The fourth proportional to 8,402.90, 12,594.96 and 4,246.70 is: 6,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.90 : 12,594.96 = 4,246.70 : x
  2. Step 2: Convert to fraction form
    8,402.90/12,594.96 = 4,246.70/x
  3. Step 3: Cross multiply
    8,402.90x = 12,594.96 × 4,246.70
  4. Step 4: Simplify right side
    8,402.90x = 53,487,016.63
  5. Step 5: Solve for x
    x = 53,487,016.63/8,402.90
  6. Step 6: Final answer
    x = 6,365.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.