Home / 4,686.08-7,028.66-1,913.00

Finding the Fourth Proportional to 4,686.08, 7,028.66 and 1,913.00

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Solution

The fourth proportional to 4,686.08, 7,028.66 and 1,913.00 is: 2,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.08 : 7,028.66 = 1,913.00 : x
  2. Step 2: Convert to fraction form
    4,686.08/7,028.66 = 1,913.00/x
  3. Step 3: Cross multiply
    4,686.08x = 7,028.66 × 1,913.00
  4. Step 4: Simplify right side
    4,686.08x = 13,445,796.22
  5. Step 5: Solve for x
    x = 13,445,796.22/4,686.08
  6. Step 6: Final answer
    x = 2,869.31

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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.