Home / 7,085.88-10,628.55-1,820.93

Finding the Fourth Proportional to 7,085.88, 10,628.55 and 1,820.93

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Solution

The fourth proportional to 7,085.88, 10,628.55 and 1,820.93 is: 2,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.88 : 10,628.55 = 1,820.93 : x
  2. Step 2: Convert to fraction form
    7,085.88/10,628.55 = 1,820.93/x
  3. Step 3: Cross multiply
    7,085.88x = 10,628.55 × 1,820.93
  4. Step 4: Simplify right side
    7,085.88x = 19,353,792.41
  5. Step 5: Solve for x
    x = 19,353,792.41/7,085.88
  6. Step 6: Final answer
    x = 2,731.32

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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.