Home / 7,289.16-10,059.08-4,145.40

Finding the Fourth Proportional to 7,289.16, 10,059.08 and 4,145.40

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Solution

The fourth proportional to 7,289.16, 10,059.08 and 4,145.40 is: 5,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.16 : 10,059.08 = 4,145.40 : x
  2. Step 2: Convert to fraction form
    7,289.16/10,059.08 = 4,145.40/x
  3. Step 3: Cross multiply
    7,289.16x = 10,059.08 × 4,145.40
  4. Step 4: Simplify right side
    7,289.16x = 41,698,910.23
  5. Step 5: Solve for x
    x = 41,698,910.23/7,289.16
  6. Step 6: Final answer
    x = 5,720.67

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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.