Home / 4,245.57-6,368.69-1,125.57

Finding the Fourth Proportional to 4,245.57, 6,368.69 and 1,125.57

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Solution

The fourth proportional to 4,245.57, 6,368.69 and 1,125.57 is: 1,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.57 : 6,368.69 = 1,125.57 : x
  2. Step 2: Convert to fraction form
    4,245.57/6,368.69 = 1,125.57/x
  3. Step 3: Cross multiply
    4,245.57x = 6,368.69 × 1,125.57
  4. Step 4: Simplify right side
    4,245.57x = 7,168,400.78
  5. Step 5: Solve for x
    x = 7,168,400.78/4,245.57
  6. Step 6: Final answer
    x = 1,688.44

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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.