Home / 4,758.12-7,137.18-4,505.40

Finding the Fourth Proportional to 4,758.12, 7,137.18 and 4,505.40

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Solution

The fourth proportional to 4,758.12, 7,137.18 and 4,505.40 is: 6,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.12 : 7,137.18 = 4,505.40 : x
  2. Step 2: Convert to fraction form
    4,758.12/7,137.18 = 4,505.40/x
  3. Step 3: Cross multiply
    4,758.12x = 7,137.18 × 4,505.40
  4. Step 4: Simplify right side
    4,758.12x = 32,155,850.77
  5. Step 5: Solve for x
    x = 32,155,850.77/4,758.12
  6. Step 6: Final answer
    x = 6,758.10

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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.