Home / 7,289.06-10,059.39-4,145.45

Finding the Fourth Proportional to 7,289.06, 10,059.39 and 4,145.45

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Solution

The fourth proportional to 7,289.06, 10,059.39 and 4,145.45 is: 5,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.06 : 10,059.39 = 4,145.45 : x
  2. Step 2: Convert to fraction form
    7,289.06/10,059.39 = 4,145.45/x
  3. Step 3: Cross multiply
    7,289.06x = 10,059.39 × 4,145.45
  4. Step 4: Simplify right side
    7,289.06x = 41,700,647.98
  5. Step 5: Solve for x
    x = 41,700,647.98/7,289.06
  6. Step 6: Final answer
    x = 5,721.00

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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.