Home / 4,970.31-7,456.18-1,850.05

Finding the Fourth Proportional to 4,970.31, 7,456.18 and 1,850.05

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Solution

The fourth proportional to 4,970.31, 7,456.18 and 1,850.05 is: 2,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.31 : 7,456.18 = 1,850.05 : x
  2. Step 2: Convert to fraction form
    4,970.31/7,456.18 = 1,850.05/x
  3. Step 3: Cross multiply
    4,970.31x = 7,456.18 × 1,850.05
  4. Step 4: Simplify right side
    4,970.31x = 13,794,305.81
  5. Step 5: Solve for x
    x = 13,794,305.81/4,970.31
  6. Step 6: Final answer
    x = 2,775.34

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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.