Home / 7,642.71-10,546.21-4,285.67

Finding the Fourth Proportional to 7,642.71, 10,546.21 and 4,285.67

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Solution

The fourth proportional to 7,642.71, 10,546.21 and 4,285.67 is: 5,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.71 : 10,546.21 = 4,285.67 : x
  2. Step 2: Convert to fraction form
    7,642.71/10,546.21 = 4,285.67/x
  3. Step 3: Cross multiply
    7,642.71x = 10,546.21 × 4,285.67
  4. Step 4: Simplify right side
    7,642.71x = 45,197,512.37
  5. Step 5: Solve for x
    x = 45,197,512.37/7,642.71
  6. Step 6: Final answer
    x = 5,913.81

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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.