Home / 8,424.04-12,647.01-6,477.61

Finding the Fourth Proportional to 8,424.04, 12,647.01 and 6,477.61

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Solution

The fourth proportional to 8,424.04, 12,647.01 and 6,477.61 is: 9,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.04 : 12,647.01 = 6,477.61 : x
  2. Step 2: Convert to fraction form
    8,424.04/12,647.01 = 6,477.61/x
  3. Step 3: Cross multiply
    8,424.04x = 12,647.01 × 6,477.61
  4. Step 4: Simplify right side
    8,424.04x = 81,922,398.45
  5. Step 5: Solve for x
    x = 81,922,398.45/8,424.04
  6. Step 6: Final answer
    x = 9,724.83

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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.