Home / 6,902.31-9,526.50-3,918.42

Finding the Fourth Proportional to 6,902.31, 9,526.50 and 3,918.42

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Solution

The fourth proportional to 6,902.31, 9,526.50 and 3,918.42 is: 5,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.31 : 9,526.50 = 3,918.42 : x
  2. Step 2: Convert to fraction form
    6,902.31/9,526.50 = 3,918.42/x
  3. Step 3: Cross multiply
    6,902.31x = 9,526.50 × 3,918.42
  4. Step 4: Simplify right side
    6,902.31x = 37,328,828.13
  5. Step 5: Solve for x
    x = 37,328,828.13/6,902.31
  6. Step 6: Final answer
    x = 5,408.16

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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.