Home / 7,225.78-10,816.59-4,755.70

Finding the Fourth Proportional to 7,225.78, 10,816.59 and 4,755.70

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Solution

The fourth proportional to 7,225.78, 10,816.59 and 4,755.70 is: 7,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.78 : 10,816.59 = 4,755.70 : x
  2. Step 2: Convert to fraction form
    7,225.78/10,816.59 = 4,755.70/x
  3. Step 3: Cross multiply
    7,225.78x = 10,816.59 × 4,755.70
  4. Step 4: Simplify right side
    7,225.78x = 51,440,457.06
  5. Step 5: Solve for x
    x = 51,440,457.06/7,225.78
  6. Step 6: Final answer
    x = 7,119.02

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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.