Home / 5,627.63-8,442.47-1,930.23

Finding the Fourth Proportional to 5,627.63, 8,442.47 and 1,930.23

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Solution

The fourth proportional to 5,627.63, 8,442.47 and 1,930.23 is: 2,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.63 : 8,442.47 = 1,930.23 : x
  2. Step 2: Convert to fraction form
    5,627.63/8,442.47 = 1,930.23/x
  3. Step 3: Cross multiply
    5,627.63x = 8,442.47 × 1,930.23
  4. Step 4: Simplify right side
    5,627.63x = 16,295,913.69
  5. Step 5: Solve for x
    x = 16,295,913.69/5,627.63
  6. Step 6: Final answer
    x = 2,895.70

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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.