Home / 4,886.72-7,330.01-1,188.95

Finding the Fourth Proportional to 4,886.72, 7,330.01 and 1,188.95

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Solution

The fourth proportional to 4,886.72, 7,330.01 and 1,188.95 is: 1,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.72 : 7,330.01 = 1,188.95 : x
  2. Step 2: Convert to fraction form
    4,886.72/7,330.01 = 1,188.95/x
  3. Step 3: Cross multiply
    4,886.72x = 7,330.01 × 1,188.95
  4. Step 4: Simplify right side
    4,886.72x = 8,714,997.06
  5. Step 5: Solve for x
    x = 8,714,997.06/4,886.72
  6. Step 6: Final answer
    x = 1,783.41

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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.