Home / 4,903.69-6,765.59-2,778.88

Finding the Fourth Proportional to 4,903.69, 6,765.59 and 2,778.88

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Solution

The fourth proportional to 4,903.69, 6,765.59 and 2,778.88 is: 3,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.69 : 6,765.59 = 2,778.88 : x
  2. Step 2: Convert to fraction form
    4,903.69/6,765.59 = 2,778.88/x
  3. Step 3: Cross multiply
    4,903.69x = 6,765.59 × 2,778.88
  4. Step 4: Simplify right side
    4,903.69x = 18,800,762.74
  5. Step 5: Solve for x
    x = 18,800,762.74/4,903.69
  6. Step 6: Final answer
    x = 3,834.00

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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.