Home / 4,913.06-6,779.37-2,788.77

Finding the Fourth Proportional to 4,913.06, 6,779.37 and 2,788.77

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Solution

The fourth proportional to 4,913.06, 6,779.37 and 2,788.77 is: 3,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.06 : 6,779.37 = 2,788.77 : x
  2. Step 2: Convert to fraction form
    4,913.06/6,779.37 = 2,788.77/x
  3. Step 3: Cross multiply
    4,913.06x = 6,779.37 × 2,788.77
  4. Step 4: Simplify right side
    4,913.06x = 18,906,103.67
  5. Step 5: Solve for x
    x = 18,906,103.67/4,913.06
  6. Step 6: Final answer
    x = 3,848.14

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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.