Home / 6,925.89-9,557.79-3,782.13

Finding the Fourth Proportional to 6,925.89, 9,557.79 and 3,782.13

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Solution

The fourth proportional to 6,925.89, 9,557.79 and 3,782.13 is: 5,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.89 : 9,557.79 = 3,782.13 : x
  2. Step 2: Convert to fraction form
    6,925.89/9,557.79 = 3,782.13/x
  3. Step 3: Cross multiply
    6,925.89x = 9,557.79 × 3,782.13
  4. Step 4: Simplify right side
    6,925.89x = 36,148,804.29
  5. Step 5: Solve for x
    x = 36,148,804.29/6,925.89
  6. Step 6: Final answer
    x = 5,219.37

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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.