Home / 7,890.43-10,889.33-4,534.58

Finding the Fourth Proportional to 7,890.43, 10,889.33 and 4,534.58

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Solution

The fourth proportional to 7,890.43, 10,889.33 and 4,534.58 is: 6,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.43 : 10,889.33 = 4,534.58 : x
  2. Step 2: Convert to fraction form
    7,890.43/10,889.33 = 4,534.58/x
  3. Step 3: Cross multiply
    7,890.43x = 10,889.33 × 4,534.58
  4. Step 4: Simplify right side
    7,890.43x = 49,378,538.03
  5. Step 5: Solve for x
    x = 49,378,538.03/7,890.43
  6. Step 6: Final answer
    x = 6,258.03

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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.