Home / 8,415.87-12,625.65-2,572.93

Finding the Fourth Proportional to 8,415.87, 12,625.65 and 2,572.93

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Solution

The fourth proportional to 8,415.87, 12,625.65 and 2,572.93 is: 3,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.87 : 12,625.65 = 2,572.93 : x
  2. Step 2: Convert to fraction form
    8,415.87/12,625.65 = 2,572.93/x
  3. Step 3: Cross multiply
    8,415.87x = 12,625.65 × 2,572.93
  4. Step 4: Simplify right side
    8,415.87x = 32,484,913.65
  5. Step 5: Solve for x
    x = 32,484,913.65/8,415.87
  6. Step 6: Final answer
    x = 3,859.96

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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.