Home / 8,020.31-12,007.01-4,678.34

Finding the Fourth Proportional to 8,020.31, 12,007.01 and 4,678.34

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Solution

The fourth proportional to 8,020.31, 12,007.01 and 4,678.34 is: 7,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.31 : 12,007.01 = 4,678.34 : x
  2. Step 2: Convert to fraction form
    8,020.31/12,007.01 = 4,678.34/x
  3. Step 3: Cross multiply
    8,020.31x = 12,007.01 × 4,678.34
  4. Step 4: Simplify right side
    8,020.31x = 56,172,851.77
  5. Step 5: Solve for x
    x = 56,172,851.77/8,020.31
  6. Step 6: Final answer
    x = 7,003.83

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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.