Home / 7,966.42-11,955.72-4,021.63

Finding the Fourth Proportional to 7,966.42, 11,955.72 and 4,021.63

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Solution

The fourth proportional to 7,966.42, 11,955.72 and 4,021.63 is: 6,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.42 : 11,955.72 = 4,021.63 : x
  2. Step 2: Convert to fraction form
    7,966.42/11,955.72 = 4,021.63/x
  3. Step 3: Cross multiply
    7,966.42x = 11,955.72 × 4,021.63
  4. Step 4: Simplify right side
    7,966.42x = 48,081,482.22
  5. Step 5: Solve for x
    x = 48,081,482.22/7,966.42
  6. Step 6: Final answer
    x = 6,035.52

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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.