Home / 6,918.65-9,548.58-3,935.22

Finding the Fourth Proportional to 6,918.65, 9,548.58 and 3,935.22

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Solution

The fourth proportional to 6,918.65, 9,548.58 and 3,935.22 is: 5,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.65 : 9,548.58 = 3,935.22 : x
  2. Step 2: Convert to fraction form
    6,918.65/9,548.58 = 3,935.22/x
  3. Step 3: Cross multiply
    6,918.65x = 9,548.58 × 3,935.22
  4. Step 4: Simplify right side
    6,918.65x = 37,575,762.99
  5. Step 5: Solve for x
    x = 37,575,762.99/6,918.65
  6. Step 6: Final answer
    x = 5,431.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.