Home / 8,436.70-11,642.59-4,660.11

Finding the Fourth Proportional to 8,436.70, 11,642.59 and 4,660.11

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Solution

The fourth proportional to 8,436.70, 11,642.59 and 4,660.11 is: 6,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.70 : 11,642.59 = 4,660.11 : x
  2. Step 2: Convert to fraction form
    8,436.70/11,642.59 = 4,660.11/x
  3. Step 3: Cross multiply
    8,436.70x = 11,642.59 × 4,660.11
  4. Step 4: Simplify right side
    8,436.70x = 54,255,668.57
  5. Step 5: Solve for x
    x = 54,255,668.57/8,436.70
  6. Step 6: Final answer
    x = 6,430.92

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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.