Home / 7,143.56-10,705.61-4,541.84

Finding the Fourth Proportional to 7,143.56, 10,705.61 and 4,541.84

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Solution

The fourth proportional to 7,143.56, 10,705.61 and 4,541.84 is: 6,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.56 : 10,705.61 = 4,541.84 : x
  2. Step 2: Convert to fraction form
    7,143.56/10,705.61 = 4,541.84/x
  3. Step 3: Cross multiply
    7,143.56x = 10,705.61 × 4,541.84
  4. Step 4: Simplify right side
    7,143.56x = 48,623,091.49
  5. Step 5: Solve for x
    x = 48,623,091.49/7,143.56
  6. Step 6: Final answer
    x = 6,806.57

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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.