Home / 5,340.70-8,010.81-1,642.77

Finding the Fourth Proportional to 5,340.70, 8,010.81 and 1,642.77

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Solution

The fourth proportional to 5,340.70, 8,010.81 and 1,642.77 is: 2,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.70 : 8,010.81 = 1,642.77 : x
  2. Step 2: Convert to fraction form
    5,340.70/8,010.81 = 1,642.77/x
  3. Step 3: Cross multiply
    5,340.70x = 8,010.81 × 1,642.77
  4. Step 4: Simplify right side
    5,340.70x = 13,159,936.44
  5. Step 5: Solve for x
    x = 13,159,936.44/5,340.70
  6. Step 6: Final answer
    x = 2,464.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.