Home / 4,899.96-6,763.30-2,911.64

Finding the Fourth Proportional to 4,899.96, 6,763.30 and 2,911.64

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Solution

The fourth proportional to 4,899.96, 6,763.30 and 2,911.64 is: 4,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.96 : 6,763.30 = 2,911.64 : x
  2. Step 2: Convert to fraction form
    4,899.96/6,763.30 = 2,911.64/x
  3. Step 3: Cross multiply
    4,899.96x = 6,763.30 × 2,911.64
  4. Step 4: Simplify right side
    4,899.96x = 19,692,294.81
  5. Step 5: Solve for x
    x = 19,692,294.81/4,899.96
  6. Step 6: Final answer
    x = 4,018.87

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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.