Home / 7,088.75-10,629.55-4,128.15

Finding the Fourth Proportional to 7,088.75, 10,629.55 and 4,128.15

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Solution

The fourth proportional to 7,088.75, 10,629.55 and 4,128.15 is: 6,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.75 : 10,629.55 = 4,128.15 : x
  2. Step 2: Convert to fraction form
    7,088.75/10,629.55 = 4,128.15/x
  3. Step 3: Cross multiply
    7,088.75x = 10,629.55 × 4,128.15
  4. Step 4: Simplify right side
    7,088.75x = 43,880,376.83
  5. Step 5: Solve for x
    x = 43,880,376.83/7,088.75
  6. Step 6: Final answer
    x = 6,190.14

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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.