Home / 5,945.70-8,921.58-4,315.65

Finding the Fourth Proportional to 5,945.70, 8,921.58 and 4,315.65

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Solution

The fourth proportional to 5,945.70, 8,921.58 and 4,315.65 is: 6,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.70 : 8,921.58 = 4,315.65 : x
  2. Step 2: Convert to fraction form
    5,945.70/8,921.58 = 4,315.65/x
  3. Step 3: Cross multiply
    5,945.70x = 8,921.58 × 4,315.65
  4. Step 4: Simplify right side
    5,945.70x = 38,502,416.73
  5. Step 5: Solve for x
    x = 38,502,416.73/5,945.70
  6. Step 6: Final answer
    x = 6,475.67

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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.