Home / 4,790.36-6,612.90-2,800.28

Finding the Fourth Proportional to 4,790.36, 6,612.90 and 2,800.28

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Solution

The fourth proportional to 4,790.36, 6,612.90 and 2,800.28 is: 3,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.36 : 6,612.90 = 2,800.28 : x
  2. Step 2: Convert to fraction form
    4,790.36/6,612.90 = 2,800.28/x
  3. Step 3: Cross multiply
    4,790.36x = 6,612.90 × 2,800.28
  4. Step 4: Simplify right side
    4,790.36x = 18,517,971.61
  5. Step 5: Solve for x
    x = 18,517,971.61/4,790.36
  6. Step 6: Final answer
    x = 3,865.67

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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.