Home / 7,647.70-10,549.57-4,814.03

Finding the Fourth Proportional to 7,647.70, 10,549.57 and 4,814.03

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Solution

The fourth proportional to 7,647.70, 10,549.57 and 4,814.03 is: 6,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.70 : 10,549.57 = 4,814.03 : x
  2. Step 2: Convert to fraction form
    7,647.70/10,549.57 = 4,814.03/x
  3. Step 3: Cross multiply
    7,647.70x = 10,549.57 × 4,814.03
  4. Step 4: Simplify right side
    7,647.70x = 50,785,908.06
  5. Step 5: Solve for x
    x = 50,785,908.06/7,647.70
  6. Step 6: Final answer
    x = 6,640.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.