Home / 8,419.23-12,628.83-4,673.30

Finding the Fourth Proportional to 8,419.23, 12,628.83 and 4,673.30

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Solution

The fourth proportional to 8,419.23, 12,628.83 and 4,673.30 is: 7,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.23 : 12,628.83 = 4,673.30 : x
  2. Step 2: Convert to fraction form
    8,419.23/12,628.83 = 4,673.30/x
  3. Step 3: Cross multiply
    8,419.23x = 12,628.83 × 4,673.30
  4. Step 4: Simplify right side
    8,419.23x = 59,018,311.24
  5. Step 5: Solve for x
    x = 59,018,311.24/8,419.23
  6. Step 6: Final answer
    x = 7,009.95

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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.