Home / 8,424.36-11,626.20-4,888.80

Finding the Fourth Proportional to 8,424.36, 11,626.20 and 4,888.80

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Solution

The fourth proportional to 8,424.36, 11,626.20 and 4,888.80 is: 6,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.36 : 11,626.20 = 4,888.80 : x
  2. Step 2: Convert to fraction form
    8,424.36/11,626.20 = 4,888.80/x
  3. Step 3: Cross multiply
    8,424.36x = 11,626.20 × 4,888.80
  4. Step 4: Simplify right side
    8,424.36x = 56,838,166.56
  5. Step 5: Solve for x
    x = 56,838,166.56/8,424.36
  6. Step 6: Final answer
    x = 6,746.88

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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.