Home / 7,037.12-10,559.32-3,091.15

Finding the Fourth Proportional to 7,037.12, 10,559.32 and 3,091.15

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Solution

The fourth proportional to 7,037.12, 10,559.32 and 3,091.15 is: 4,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.12 : 10,559.32 = 3,091.15 : x
  2. Step 2: Convert to fraction form
    7,037.12/10,559.32 = 3,091.15/x
  3. Step 3: Cross multiply
    7,037.12x = 10,559.32 × 3,091.15
  4. Step 4: Simplify right side
    7,037.12x = 32,640,415.62
  5. Step 5: Solve for x
    x = 32,640,415.62/7,037.12
  6. Step 6: Final answer
    x = 4,638.32

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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.