Home / 5,918.31-8,875.55-1,968.51

Finding the Fourth Proportional to 5,918.31, 8,875.55 and 1,968.51

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Solution

The fourth proportional to 5,918.31, 8,875.55 and 1,968.51 is: 2,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.31 : 8,875.55 = 1,968.51 : x
  2. Step 2: Convert to fraction form
    5,918.31/8,875.55 = 1,968.51/x
  3. Step 3: Cross multiply
    5,918.31x = 8,875.55 × 1,968.51
  4. Step 4: Simplify right side
    5,918.31x = 17,471,599.09
  5. Step 5: Solve for x
    x = 17,471,599.09/5,918.31
  6. Step 6: Final answer
    x = 2,952.13

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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.