Home / 7,289.10-10,057.23-4,147.02

Finding the Fourth Proportional to 7,289.10, 10,057.23 and 4,147.02

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Solution

The fourth proportional to 7,289.10, 10,057.23 and 4,147.02 is: 5,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.10 : 10,057.23 = 4,147.02 : x
  2. Step 2: Convert to fraction form
    7,289.10/10,057.23 = 4,147.02/x
  3. Step 3: Cross multiply
    7,289.10x = 10,057.23 × 4,147.02
  4. Step 4: Simplify right side
    7,289.10x = 41,707,533.95
  5. Step 5: Solve for x
    x = 41,707,533.95/7,289.10
  6. Step 6: Final answer
    x = 5,721.90

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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.