Home / 8,289.70-12,434.58-3,095.50

Finding the Fourth Proportional to 8,289.70, 12,434.58 and 3,095.50

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Solution

The fourth proportional to 8,289.70, 12,434.58 and 3,095.50 is: 4,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.70 : 12,434.58 = 3,095.50 : x
  2. Step 2: Convert to fraction form
    8,289.70/12,434.58 = 3,095.50/x
  3. Step 3: Cross multiply
    8,289.70x = 12,434.58 × 3,095.50
  4. Step 4: Simplify right side
    8,289.70x = 38,491,242.39
  5. Step 5: Solve for x
    x = 38,491,242.39/8,289.70
  6. Step 6: Final answer
    x = 4,643.26

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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.