Home / 4,927.08-7,390.35-2,978.76

Finding the Fourth Proportional to 4,927.08, 7,390.35 and 2,978.76

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Solution

The fourth proportional to 4,927.08, 7,390.35 and 2,978.76 is: 4,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.08 : 7,390.35 = 2,978.76 : x
  2. Step 2: Convert to fraction form
    4,927.08/7,390.35 = 2,978.76/x
  3. Step 3: Cross multiply
    4,927.08x = 7,390.35 × 2,978.76
  4. Step 4: Simplify right side
    4,927.08x = 22,014,078.97
  5. Step 5: Solve for x
    x = 22,014,078.97/4,927.08
  6. Step 6: Final answer
    x = 4,467.98

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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.