Home / 8,436.75-11,638.95-4,898.06

Finding the Fourth Proportional to 8,436.75, 11,638.95 and 4,898.06

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Solution

The fourth proportional to 8,436.75, 11,638.95 and 4,898.06 is: 6,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.75 : 11,638.95 = 4,898.06 : x
  2. Step 2: Convert to fraction form
    8,436.75/11,638.95 = 4,898.06/x
  3. Step 3: Cross multiply
    8,436.75x = 11,638.95 × 4,898.06
  4. Step 4: Simplify right side
    8,436.75x = 57,008,275.44
  5. Step 5: Solve for x
    x = 57,008,275.44/8,436.75
  6. Step 6: Final answer
    x = 6,757.14

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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.