Home / 4,768.95-6,580.64-2,779.10

Finding the Fourth Proportional to 4,768.95, 6,580.64 and 2,779.10

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Solution

The fourth proportional to 4,768.95, 6,580.64 and 2,779.10 is: 3,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.95 : 6,580.64 = 2,779.10 : x
  2. Step 2: Convert to fraction form
    4,768.95/6,580.64 = 2,779.10/x
  3. Step 3: Cross multiply
    4,768.95x = 6,580.64 × 2,779.10
  4. Step 4: Simplify right side
    4,768.95x = 18,288,209.83
  5. Step 5: Solve for x
    x = 18,288,209.83/4,768.95
  6. Step 6: Final answer
    x = 3,834.85

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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.