Home / 6,921.93-10,384.71-2,539.42

Finding the Fourth Proportional to 6,921.93, 10,384.71 and 2,539.42

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Solution

The fourth proportional to 6,921.93, 10,384.71 and 2,539.42 is: 3,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.93 : 10,384.71 = 2,539.42 : x
  2. Step 2: Convert to fraction form
    6,921.93/10,384.71 = 2,539.42/x
  3. Step 3: Cross multiply
    6,921.93x = 10,384.71 × 2,539.42
  4. Step 4: Simplify right side
    6,921.93x = 26,371,140.27
  5. Step 5: Solve for x
    x = 26,371,140.27/6,921.93
  6. Step 6: Final answer
    x = 3,809.80

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1.5x scale

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.