Home / 4,105.56-5,631.51-4,070.40

Finding the Fourth Proportional to 4,105.56, 5,631.51 and 4,070.40

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Solution

The fourth proportional to 4,105.56, 5,631.51 and 4,070.40 is: 5,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.56 : 5,631.51 = 4,070.40 : x
  2. Step 2: Convert to fraction form
    4,105.56/5,631.51 = 4,070.40/x
  3. Step 3: Cross multiply
    4,105.56x = 5,631.51 × 4,070.40
  4. Step 4: Simplify right side
    4,105.56x = 22,922,498.30
  5. Step 5: Solve for x
    x = 22,922,498.30/4,105.56
  6. Step 6: Final answer
    x = 5,583.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.