Home / 8,207.19-12,312.45-3,527.67

Finding the Fourth Proportional to 8,207.19, 12,312.45 and 3,527.67

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Solution

The fourth proportional to 8,207.19, 12,312.45 and 3,527.67 is: 5,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.19 : 12,312.45 = 3,527.67 : x
  2. Step 2: Convert to fraction form
    8,207.19/12,312.45 = 3,527.67/x
  3. Step 3: Cross multiply
    8,207.19x = 12,312.45 × 3,527.67
  4. Step 4: Simplify right side
    8,207.19x = 43,434,260.49
  5. Step 5: Solve for x
    x = 43,434,260.49/8,207.19
  6. Step 6: Final answer
    x = 5,292.22

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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.