Home / 4,899.21-7,348.77-1,977.47

Finding the Fourth Proportional to 4,899.21, 7,348.77 and 1,977.47

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Solution

The fourth proportional to 4,899.21, 7,348.77 and 1,977.47 is: 2,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.21 : 7,348.77 = 1,977.47 : x
  2. Step 2: Convert to fraction form
    4,899.21/7,348.77 = 1,977.47/x
  3. Step 3: Cross multiply
    4,899.21x = 7,348.77 × 1,977.47
  4. Step 4: Simplify right side
    4,899.21x = 14,531,958.78
  5. Step 5: Solve for x
    x = 14,531,958.78/4,899.21
  6. Step 6: Final answer
    x = 2,966.19

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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.