Home / 4,899.64-7,349.43-1,977.91

Finding the Fourth Proportional to 4,899.64, 7,349.43 and 1,977.91

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Solution

The fourth proportional to 4,899.64, 7,349.43 and 1,977.91 is: 2,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.64 : 7,349.43 = 1,977.91 : x
  2. Step 2: Convert to fraction form
    4,899.64/7,349.43 = 1,977.91/x
  3. Step 3: Cross multiply
    4,899.64x = 7,349.43 × 1,977.91
  4. Step 4: Simplify right side
    4,899.64x = 14,536,511.09
  5. Step 5: Solve for x
    x = 14,536,511.09/4,899.64
  6. Step 6: Final answer
    x = 2,966.85

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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.