Home / 4,368.80-6,553.70-1,447.12

Finding the Fourth Proportional to 4,368.80, 6,553.70 and 1,447.12

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Solution

The fourth proportional to 4,368.80, 6,553.70 and 1,447.12 is: 2,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.80 : 6,553.70 = 1,447.12 : x
  2. Step 2: Convert to fraction form
    4,368.80/6,553.70 = 1,447.12/x
  3. Step 3: Cross multiply
    4,368.80x = 6,553.70 × 1,447.12
  4. Step 4: Simplify right side
    4,368.80x = 9,483,990.34
  5. Step 5: Solve for x
    x = 9,483,990.34/4,368.80
  6. Step 6: Final answer
    x = 2,170.85

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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.