Home / 8,527.40-12,776.70-5,604.20

Finding the Fourth Proportional to 8,527.40, 12,776.70 and 5,604.20

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Solution

The fourth proportional to 8,527.40, 12,776.70 and 5,604.20 is: 8,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.40 : 12,776.70 = 5,604.20 : x
  2. Step 2: Convert to fraction form
    8,527.40/12,776.70 = 5,604.20/x
  3. Step 3: Cross multiply
    8,527.40x = 12,776.70 × 5,604.20
  4. Step 4: Simplify right side
    8,527.40x = 71,603,182.14
  5. Step 5: Solve for x
    x = 71,603,182.14/8,527.40
  6. Step 6: Final answer
    x = 8,396.84

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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.