Home / 8,021.84-12,013.14-4,903.16

Finding the Fourth Proportional to 8,021.84, 12,013.14 and 4,903.16

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Solution

The fourth proportional to 8,021.84, 12,013.14 and 4,903.16 is: 7,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.84 : 12,013.14 = 4,903.16 : x
  2. Step 2: Convert to fraction form
    8,021.84/12,013.14 = 4,903.16/x
  3. Step 3: Cross multiply
    8,021.84x = 12,013.14 × 4,903.16
  4. Step 4: Simplify right side
    8,021.84x = 58,902,347.52
  5. Step 5: Solve for x
    x = 58,902,347.52/8,021.84
  6. Step 6: Final answer
    x = 7,342.75

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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.