Home / 7,012.57-10,518.76-1,747.62

Finding the Fourth Proportional to 7,012.57, 10,518.76 and 1,747.62

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Solution

The fourth proportional to 7,012.57, 10,518.76 and 1,747.62 is: 2,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.57 : 10,518.76 = 1,747.62 : x
  2. Step 2: Convert to fraction form
    7,012.57/10,518.76 = 1,747.62/x
  3. Step 3: Cross multiply
    7,012.57x = 10,518.76 × 1,747.62
  4. Step 4: Simplify right side
    7,012.57x = 18,382,795.35
  5. Step 5: Solve for x
    x = 18,382,795.35/7,012.57
  6. Step 6: Final answer
    x = 2,621.41

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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.