Home / 7,639.44-10,542.87-4,283.35

Finding the Fourth Proportional to 7,639.44, 10,542.87 and 4,283.35

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Solution

The fourth proportional to 7,639.44, 10,542.87 and 4,283.35 is: 5,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.44 : 10,542.87 = 4,283.35 : x
  2. Step 2: Convert to fraction form
    7,639.44/10,542.87 = 4,283.35/x
  3. Step 3: Cross multiply
    7,639.44x = 10,542.87 × 4,283.35
  4. Step 4: Simplify right side
    7,639.44x = 45,158,802.21
  5. Step 5: Solve for x
    x = 45,158,802.21/7,639.44
  6. Step 6: Final answer
    x = 5,911.27

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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.