Home / 8,415.34-12,626.67-4,515.19

Finding the Fourth Proportional to 8,415.34, 12,626.67 and 4,515.19

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Solution

The fourth proportional to 8,415.34, 12,626.67 and 4,515.19 is: 6,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.34 : 12,626.67 = 4,515.19 : x
  2. Step 2: Convert to fraction form
    8,415.34/12,626.67 = 4,515.19/x
  3. Step 3: Cross multiply
    8,415.34x = 12,626.67 × 4,515.19
  4. Step 4: Simplify right side
    8,415.34x = 57,011,845.11
  5. Step 5: Solve for x
    x = 57,011,845.11/8,415.34
  6. Step 6: Final answer
    x = 6,774.75

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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.