Home / 4,653.75-6,423.68-2,979.67

Finding the Fourth Proportional to 4,653.75, 6,423.68 and 2,979.67

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Solution

The fourth proportional to 4,653.75, 6,423.68 and 2,979.67 is: 4,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.75 : 6,423.68 = 2,979.67 : x
  2. Step 2: Convert to fraction form
    4,653.75/6,423.68 = 2,979.67/x
  3. Step 3: Cross multiply
    4,653.75x = 6,423.68 × 2,979.67
  4. Step 4: Simplify right side
    4,653.75x = 19,140,415.63
  5. Step 5: Solve for x
    x = 19,140,415.63/4,653.75
  6. Step 6: Final answer
    x = 4,112.90

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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.