Home / 4,840.31-7,260.47-1,377.56

Finding the Fourth Proportional to 4,840.31, 7,260.47 and 1,377.56

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Solution

The fourth proportional to 4,840.31, 7,260.47 and 1,377.56 is: 2,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.31 : 7,260.47 = 1,377.56 : x
  2. Step 2: Convert to fraction form
    4,840.31/7,260.47 = 1,377.56/x
  3. Step 3: Cross multiply
    4,840.31x = 7,260.47 × 1,377.56
  4. Step 4: Simplify right side
    4,840.31x = 10,001,733.05
  5. Step 5: Solve for x
    x = 10,001,733.05/4,840.31
  6. Step 6: Final answer
    x = 2,066.34

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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.