Home / 6,513.45-8,988.67-3,529.41

Finding the Fourth Proportional to 6,513.45, 8,988.67 and 3,529.41

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Solution

The fourth proportional to 6,513.45, 8,988.67 and 3,529.41 is: 4,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.45 : 8,988.67 = 3,529.41 : x
  2. Step 2: Convert to fraction form
    6,513.45/8,988.67 = 3,529.41/x
  3. Step 3: Cross multiply
    6,513.45x = 8,988.67 × 3,529.41
  4. Step 4: Simplify right side
    6,513.45x = 31,724,672.49
  5. Step 5: Solve for x
    x = 31,724,672.49/6,513.45
  6. Step 6: Final answer
    x = 4,870.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.