Home / 7,085.48-10,626.90-2,153.79

Finding the Fourth Proportional to 7,085.48, 10,626.90 and 2,153.79

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Solution

The fourth proportional to 7,085.48, 10,626.90 and 2,153.79 is: 3,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.48 : 10,626.90 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    7,085.48/10,626.90 = 2,153.79/x
  3. Step 3: Cross multiply
    7,085.48x = 10,626.90 × 2,153.79
  4. Step 4: Simplify right side
    7,085.48x = 22,888,102.87
  5. Step 5: Solve for x
    x = 22,888,102.87/7,085.48
  6. Step 6: Final answer
    x = 3,230.28

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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.