Home / 8,415.61-12,625.27-2,572.67

Finding the Fourth Proportional to 8,415.61, 12,625.27 and 2,572.67

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Solution

The fourth proportional to 8,415.61, 12,625.27 and 2,572.67 is: 3,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.61 : 12,625.27 = 2,572.67 : x
  2. Step 2: Convert to fraction form
    8,415.61/12,625.27 = 2,572.67/x
  3. Step 3: Cross multiply
    8,415.61x = 12,625.27 × 2,572.67
  4. Step 4: Simplify right side
    8,415.61x = 32,480,678.50
  5. Step 5: Solve for x
    x = 32,480,678.50/8,415.61
  6. Step 6: Final answer
    x = 3,859.58

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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.