Home / 7,081.56-10,607.75-4,152.80

Finding the Fourth Proportional to 7,081.56, 10,607.75 and 4,152.80

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Solution

The fourth proportional to 7,081.56, 10,607.75 and 4,152.80 is: 6,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.56 : 10,607.75 = 4,152.80 : x
  2. Step 2: Convert to fraction form
    7,081.56/10,607.75 = 4,152.80/x
  3. Step 3: Cross multiply
    7,081.56x = 10,607.75 × 4,152.80
  4. Step 4: Simplify right side
    7,081.56x = 44,051,885.53
  5. Step 5: Solve for x
    x = 44,051,885.53/7,081.56
  6. Step 6: Final answer
    x = 6,220.65

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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.