Home / 5,236.81-7,226.60-2,878.93

Finding the Fourth Proportional to 5,236.81, 7,226.60 and 2,878.93

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Solution

The fourth proportional to 5,236.81, 7,226.60 and 2,878.93 is: 3,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.81 : 7,226.60 = 2,878.93 : x
  2. Step 2: Convert to fraction form
    5,236.81/7,226.60 = 2,878.93/x
  3. Step 3: Cross multiply
    5,236.81x = 7,226.60 × 2,878.93
  4. Step 4: Simplify right side
    5,236.81x = 20,804,864.67
  5. Step 5: Solve for x
    x = 20,804,864.67/5,236.81
  6. Step 6: Final answer
    x = 3,972.81

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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.