Home / 8,424.96-12,628.98-4,728.84

Finding the Fourth Proportional to 8,424.96, 12,628.98 and 4,728.84

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Solution

The fourth proportional to 8,424.96, 12,628.98 and 4,728.84 is: 7,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.96 : 12,628.98 = 4,728.84 : x
  2. Step 2: Convert to fraction form
    8,424.96/12,628.98 = 4,728.84/x
  3. Step 3: Cross multiply
    8,424.96x = 12,628.98 × 4,728.84
  4. Step 4: Simplify right side
    8,424.96x = 59,720,425.78
  5. Step 5: Solve for x
    x = 59,720,425.78/8,424.96
  6. Step 6: Final answer
    x = 7,088.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.