Home / 6,427.98-8,870.24-3,556.54

Finding the Fourth Proportional to 6,427.98, 8,870.24 and 3,556.54

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Solution

The fourth proportional to 6,427.98, 8,870.24 and 3,556.54 is: 4,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.98 : 8,870.24 = 3,556.54 : x
  2. Step 2: Convert to fraction form
    6,427.98/8,870.24 = 3,556.54/x
  3. Step 3: Cross multiply
    6,427.98x = 8,870.24 × 3,556.54
  4. Step 4: Simplify right side
    6,427.98x = 31,547,301.24
  5. Step 5: Solve for x
    x = 31,547,301.24/6,427.98
  6. Step 6: Final answer
    x = 4,907.81

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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.