Home / 5,286.79-7,288.85-4,548.67

Finding the Fourth Proportional to 5,286.79, 7,288.85 and 4,548.67

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Solution

The fourth proportional to 5,286.79, 7,288.85 and 4,548.67 is: 6,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.79 : 7,288.85 = 4,548.67 : x
  2. Step 2: Convert to fraction form
    5,286.79/7,288.85 = 4,548.67/x
  3. Step 3: Cross multiply
    5,286.79x = 7,288.85 × 4,548.67
  4. Step 4: Simplify right side
    5,286.79x = 33,154,550.59
  5. Step 5: Solve for x
    x = 33,154,550.59/5,286.79
  6. Step 6: Final answer
    x = 6,271.21

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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.