Home / 4,265.96-6,390.59-2,800.67

Finding the Fourth Proportional to 4,265.96, 6,390.59 and 2,800.67

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Solution

The fourth proportional to 4,265.96, 6,390.59 and 2,800.67 is: 4,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.96 : 6,390.59 = 2,800.67 : x
  2. Step 2: Convert to fraction form
    4,265.96/6,390.59 = 2,800.67/x
  3. Step 3: Cross multiply
    4,265.96x = 6,390.59 × 2,800.67
  4. Step 4: Simplify right side
    4,265.96x = 17,897,887.74
  5. Step 5: Solve for x
    x = 17,897,887.74/4,265.96
  6. Step 6: Final answer
    x = 4,195.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.