Home / 4,885.30-7,327.90-1,764.12

Finding the Fourth Proportional to 4,885.30, 7,327.90 and 1,764.12

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Solution

The fourth proportional to 4,885.30, 7,327.90 and 1,764.12 is: 2,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.30 : 7,327.90 = 1,764.12 : x
  2. Step 2: Convert to fraction form
    4,885.30/7,327.90 = 1,764.12/x
  3. Step 3: Cross multiply
    4,885.30x = 7,327.90 × 1,764.12
  4. Step 4: Simplify right side
    4,885.30x = 12,927,321.34
  5. Step 5: Solve for x
    x = 12,927,321.34/4,885.30
  6. Step 6: Final answer
    x = 2,646.17

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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.