Home / 4,878.69-7,315.58-2,245.41

Finding the Fourth Proportional to 4,878.69, 7,315.58 and 2,245.41

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Solution

The fourth proportional to 4,878.69, 7,315.58 and 2,245.41 is: 3,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.69 : 7,315.58 = 2,245.41 : x
  2. Step 2: Convert to fraction form
    4,878.69/7,315.58 = 2,245.41/x
  3. Step 3: Cross multiply
    4,878.69x = 7,315.58 × 2,245.41
  4. Step 4: Simplify right side
    4,878.69x = 16,426,465.26
  5. Step 5: Solve for x
    x = 16,426,465.26/4,878.69
  6. Step 6: Final answer
    x = 3,366.98

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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.