Home / 8,345.06-12,513.40-3,076.34

Finding the Fourth Proportional to 8,345.06, 12,513.40 and 3,076.34

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Solution

The fourth proportional to 8,345.06, 12,513.40 and 3,076.34 is: 4,612.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.06 : 12,513.40 = 3,076.34 : x
  2. Step 2: Convert to fraction form
    8,345.06/12,513.40 = 3,076.34/x
  3. Step 3: Cross multiply
    8,345.06x = 12,513.40 × 3,076.34
  4. Step 4: Simplify right side
    8,345.06x = 38,495,472.96
  5. Step 5: Solve for x
    x = 38,495,472.96/8,345.06
  6. Step 6: Final answer
    x = 4,612.97

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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.