Home / 6,975.18-9,625.47-3,788.40

Finding the Fourth Proportional to 6,975.18, 9,625.47 and 3,788.40

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Solution

The fourth proportional to 6,975.18, 9,625.47 and 3,788.40 is: 5,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.18 : 9,625.47 = 3,788.40 : x
  2. Step 2: Convert to fraction form
    6,975.18/9,625.47 = 3,788.40/x
  3. Step 3: Cross multiply
    6,975.18x = 9,625.47 × 3,788.40
  4. Step 4: Simplify right side
    6,975.18x = 36,465,111.83
  5. Step 5: Solve for x
    x = 36,465,111.83/6,975.18
  6. Step 6: Final answer
    x = 5,227.84

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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.