Home / 8,392.50-11,581.69-4,615.91

Finding the Fourth Proportional to 8,392.50, 11,581.69 and 4,615.91

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Solution

The fourth proportional to 8,392.50, 11,581.69 and 4,615.91 is: 6,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.50 : 11,581.69 = 4,615.91 : x
  2. Step 2: Convert to fraction form
    8,392.50/11,581.69 = 4,615.91/x
  3. Step 3: Cross multiply
    8,392.50x = 11,581.69 × 4,615.91
  4. Step 4: Simplify right side
    8,392.50x = 53,460,038.69
  5. Step 5: Solve for x
    x = 53,460,038.69/8,392.50
  6. Step 6: Final answer
    x = 6,369.98

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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.