Home / 4,700.21-7,050.32-1,190.21

Finding the Fourth Proportional to 4,700.21, 7,050.32 and 1,190.21

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Solution

The fourth proportional to 4,700.21, 7,050.32 and 1,190.21 is: 1,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.21 : 7,050.32 = 1,190.21 : x
  2. Step 2: Convert to fraction form
    4,700.21/7,050.32 = 1,190.21/x
  3. Step 3: Cross multiply
    4,700.21x = 7,050.32 × 1,190.21
  4. Step 4: Simplify right side
    4,700.21x = 8,391,370.24
  5. Step 5: Solve for x
    x = 8,391,370.24/4,700.21
  6. Step 6: Final answer
    x = 1,785.32

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Similar ratio
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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.