Home / 4,671.80-6,447.02-2,575.90

Finding the Fourth Proportional to 4,671.80, 6,447.02 and 2,575.90

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Solution

The fourth proportional to 4,671.80, 6,447.02 and 2,575.90 is: 3,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.80 : 6,447.02 = 2,575.90 : x
  2. Step 2: Convert to fraction form
    4,671.80/6,447.02 = 2,575.90/x
  3. Step 3: Cross multiply
    4,671.80x = 6,447.02 × 2,575.90
  4. Step 4: Simplify right side
    4,671.80x = 16,606,878.82
  5. Step 5: Solve for x
    x = 16,606,878.82/4,671.80
  6. Step 6: Final answer
    x = 3,554.71

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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.