Home / 4,829.70-6,666.63-2,840.85

Finding the Fourth Proportional to 4,829.70, 6,666.63 and 2,840.85

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Solution

The fourth proportional to 4,829.70, 6,666.63 and 2,840.85 is: 3,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.70 : 6,666.63 = 2,840.85 : x
  2. Step 2: Convert to fraction form
    4,829.70/6,666.63 = 2,840.85/x
  3. Step 3: Cross multiply
    4,829.70x = 6,666.63 × 2,840.85
  4. Step 4: Simplify right side
    4,829.70x = 18,938,895.84
  5. Step 5: Solve for x
    x = 18,938,895.84/4,829.70
  6. Step 6: Final answer
    x = 3,921.34

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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.