Home / 4,045.08-5,578.74-2,788.17

Finding the Fourth Proportional to 4,045.08, 5,578.74 and 2,788.17

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Solution

The fourth proportional to 4,045.08, 5,578.74 and 2,788.17 is: 3,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.08 : 5,578.74 = 2,788.17 : x
  2. Step 2: Convert to fraction form
    4,045.08/5,578.74 = 2,788.17/x
  3. Step 3: Cross multiply
    4,045.08x = 5,578.74 × 2,788.17
  4. Step 4: Simplify right side
    4,045.08x = 15,554,475.51
  5. Step 5: Solve for x
    x = 15,554,475.51/4,045.08
  6. Step 6: Final answer
    x = 3,845.28

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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.