Home / 4,810.77-6,635.85-2,920.50

Finding the Fourth Proportional to 4,810.77, 6,635.85 and 2,920.50

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Solution

The fourth proportional to 4,810.77, 6,635.85 and 2,920.50 is: 4,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.77 : 6,635.85 = 2,920.50 : x
  2. Step 2: Convert to fraction form
    4,810.77/6,635.85 = 2,920.50/x
  3. Step 3: Cross multiply
    4,810.77x = 6,635.85 × 2,920.50
  4. Step 4: Simplify right side
    4,810.77x = 19,379,999.93
  5. Step 5: Solve for x
    x = 19,379,999.93/4,810.77
  6. Step 6: Final answer
    x = 4,028.46

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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.