Home / 8,834.49-12,186.18-5,247

Finding the Fourth Proportional to 8,834.49, 12,186.18 and 5,247

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Solution

The fourth proportional to 8,834.49, 12,186.18 and 5,247 is: 7,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.49 : 12,186.18 = 5,247 : x
  2. Step 2: Convert to fraction form
    8,834.49/12,186.18 = 5,247/x
  3. Step 3: Cross multiply
    8,834.49x = 12,186.18 × 5,247
  4. Step 4: Simplify right side
    8,834.49x = 63,940,886.46
  5. Step 5: Solve for x
    x = 63,940,886.46/8,834.49
  6. Step 6: Final answer
    x = 7,237.64

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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.