Home / 4,977.48-6,868.77-2,853.35

Finding the Fourth Proportional to 4,977.48, 6,868.77 and 2,853.35

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Solution

The fourth proportional to 4,977.48, 6,868.77 and 2,853.35 is: 3,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.48 : 6,868.77 = 2,853.35 : x
  2. Step 2: Convert to fraction form
    4,977.48/6,868.77 = 2,853.35/x
  3. Step 3: Cross multiply
    4,977.48x = 6,868.77 × 2,853.35
  4. Step 4: Simplify right side
    4,977.48x = 19,599,028.99
  5. Step 5: Solve for x
    x = 19,599,028.99/4,977.48
  6. Step 6: Final answer
    x = 3,937.54

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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.