Home / 8,501.61-12,750.39-3,571.35

Finding the Fourth Proportional to 8,501.61, 12,750.39 and 3,571.35

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Solution

The fourth proportional to 8,501.61, 12,750.39 and 3,571.35 is: 5,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.61 : 12,750.39 = 3,571.35 : x
  2. Step 2: Convert to fraction form
    8,501.61/12,750.39 = 3,571.35/x
  3. Step 3: Cross multiply
    8,501.61x = 12,750.39 × 3,571.35
  4. Step 4: Simplify right side
    8,501.61x = 45,536,041.57
  5. Step 5: Solve for x
    x = 45,536,041.57/8,501.61
  6. Step 6: Final answer
    x = 5,356.17

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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.