Home / 8,392.45-11,581.85-4,615.89

Finding the Fourth Proportional to 8,392.45, 11,581.85 and 4,615.89

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Solution

The fourth proportional to 8,392.45, 11,581.85 and 4,615.89 is: 6,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.45 : 11,581.85 = 4,615.89 : x
  2. Step 2: Convert to fraction form
    8,392.45/11,581.85 = 4,615.89/x
  3. Step 3: Cross multiply
    8,392.45x = 11,581.85 × 4,615.89
  4. Step 4: Simplify right side
    8,392.45x = 53,460,545.60
  5. Step 5: Solve for x
    x = 53,460,545.60/8,392.45
  6. Step 6: Final answer
    x = 6,370.08

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1.5x scale

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.