Home / 4,971.56-7,458.06-1,851.30

Finding the Fourth Proportional to 4,971.56, 7,458.06 and 1,851.30

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Solution

The fourth proportional to 4,971.56, 7,458.06 and 1,851.30 is: 2,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.56 : 7,458.06 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    4,971.56/7,458.06 = 1,851.30/x
  3. Step 3: Cross multiply
    4,971.56x = 7,458.06 × 1,851.30
  4. Step 4: Simplify right side
    4,971.56x = 13,807,106.48
  5. Step 5: Solve for x
    x = 13,807,106.48/4,971.56
  6. Step 6: Final answer
    x = 2,777.22

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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.