Home / 7,144.10-9,855.57-4,627.05

Finding the Fourth Proportional to 7,144.10, 9,855.57 and 4,627.05

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Solution

The fourth proportional to 7,144.10, 9,855.57 and 4,627.05 is: 6,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.10 : 9,855.57 = 4,627.05 : x
  2. Step 2: Convert to fraction form
    7,144.10/9,855.57 = 4,627.05/x
  3. Step 3: Cross multiply
    7,144.10x = 9,855.57 × 4,627.05
  4. Step 4: Simplify right side
    7,144.10x = 45,602,215.17
  5. Step 5: Solve for x
    x = 45,602,215.17/7,144.10
  6. Step 6: Final answer
    x = 6,383.20

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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.