Home / 8,890.04-12,253.62-6,303.84

Finding the Fourth Proportional to 8,890.04, 12,253.62 and 6,303.84

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Solution

The fourth proportional to 8,890.04, 12,253.62 and 6,303.84 is: 8,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.04 : 12,253.62 = 6,303.84 : x
  2. Step 2: Convert to fraction form
    8,890.04/12,253.62 = 6,303.84/x
  3. Step 3: Cross multiply
    8,890.04x = 12,253.62 × 6,303.84
  4. Step 4: Simplify right side
    8,890.04x = 77,244,859.90
  5. Step 5: Solve for x
    x = 77,244,859.90/8,890.04
  6. Step 6: Final answer
    x = 8,688.93

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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.