Home / 4,899.72-6,762.51-2,911.38

Finding the Fourth Proportional to 4,899.72, 6,762.51 and 2,911.38

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Solution

The fourth proportional to 4,899.72, 6,762.51 and 2,911.38 is: 4,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.72 : 6,762.51 = 2,911.38 : x
  2. Step 2: Convert to fraction form
    4,899.72/6,762.51 = 2,911.38/x
  3. Step 3: Cross multiply
    4,899.72x = 6,762.51 × 2,911.38
  4. Step 4: Simplify right side
    4,899.72x = 19,688,236.36
  5. Step 5: Solve for x
    x = 19,688,236.36/4,899.72
  6. Step 6: Final answer
    x = 4,018.24

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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.