Home / 8,440.23-11,646.92-4,663.35

Finding the Fourth Proportional to 8,440.23, 11,646.92 and 4,663.35

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Solution

The fourth proportional to 8,440.23, 11,646.92 and 4,663.35 is: 6,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.23 : 11,646.92 = 4,663.35 : x
  2. Step 2: Convert to fraction form
    8,440.23/11,646.92 = 4,663.35/x
  3. Step 3: Cross multiply
    8,440.23x = 11,646.92 × 4,663.35
  4. Step 4: Simplify right side
    8,440.23x = 54,313,702.23
  5. Step 5: Solve for x
    x = 54,313,702.23/8,440.23
  6. Step 6: Final answer
    x = 6,435.10

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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.