Home / 8,935.30-12,330.64-4,902.05

Finding the Fourth Proportional to 8,935.30, 12,330.64 and 4,902.05

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Solution

The fourth proportional to 8,935.30, 12,330.64 and 4,902.05 is: 6,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.30 : 12,330.64 = 4,902.05 : x
  2. Step 2: Convert to fraction form
    8,935.30/12,330.64 = 4,902.05/x
  3. Step 3: Cross multiply
    8,935.30x = 12,330.64 × 4,902.05
  4. Step 4: Simplify right side
    8,935.30x = 60,445,450.77
  5. Step 5: Solve for x
    x = 60,445,450.77/8,935.30
  6. Step 6: Final answer
    x = 6,764.79

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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.