Home / 4,855.31-7,283.37-1,345.31

Finding the Fourth Proportional to 4,855.31, 7,283.37 and 1,345.31

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Solution

The fourth proportional to 4,855.31, 7,283.37 and 1,345.31 is: 2,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.31 : 7,283.37 = 1,345.31 : x
  2. Step 2: Convert to fraction form
    4,855.31/7,283.37 = 1,345.31/x
  3. Step 3: Cross multiply
    4,855.31x = 7,283.37 × 1,345.31
  4. Step 4: Simplify right side
    4,855.31x = 9,798,408.70
  5. Step 5: Solve for x
    x = 9,798,408.70/4,855.31
  6. Step 6: Final answer
    x = 2,018.08

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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.