Home / 8,345.34-11,516.40-4,808.34

Finding the Fourth Proportional to 8,345.34, 11,516.40 and 4,808.34

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Solution

The fourth proportional to 8,345.34, 11,516.40 and 4,808.34 is: 6,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.34 : 11,516.40 = 4,808.34 : x
  2. Step 2: Convert to fraction form
    8,345.34/11,516.40 = 4,808.34/x
  3. Step 3: Cross multiply
    8,345.34x = 11,516.40 × 4,808.34
  4. Step 4: Simplify right side
    8,345.34x = 55,374,766.78
  5. Step 5: Solve for x
    x = 55,374,766.78/8,345.34
  6. Step 6: Final answer
    x = 6,635.41

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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.