Home / 4,899.34-7,354.41-1,979.65

Finding the Fourth Proportional to 4,899.34, 7,354.41 and 1,979.65

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Solution

The fourth proportional to 4,899.34, 7,354.41 and 1,979.65 is: 2,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.34 : 7,354.41 = 1,979.65 : x
  2. Step 2: Convert to fraction form
    4,899.34/7,354.41 = 1,979.65/x
  3. Step 3: Cross multiply
    4,899.34x = 7,354.41 × 1,979.65
  4. Step 4: Simplify right side
    4,899.34x = 14,559,157.76
  5. Step 5: Solve for x
    x = 14,559,157.76/4,899.34
  6. Step 6: Final answer
    x = 2,971.66

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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.