Home / 8,289.34-12,436.74-4,783.46

Finding the Fourth Proportional to 8,289.34, 12,436.74 and 4,783.46

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Solution

The fourth proportional to 8,289.34, 12,436.74 and 4,783.46 is: 7,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.34 : 12,436.74 = 4,783.46 : x
  2. Step 2: Convert to fraction form
    8,289.34/12,436.74 = 4,783.46/x
  3. Step 3: Cross multiply
    8,289.34x = 12,436.74 × 4,783.46
  4. Step 4: Simplify right side
    8,289.34x = 59,490,586.14
  5. Step 5: Solve for x
    x = 59,490,586.14/8,289.34
  6. Step 6: Final answer
    x = 7,176.76

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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.