Home / 8,289.28-11,434.83-4,929.70

Finding the Fourth Proportional to 8,289.28, 11,434.83 and 4,929.70

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Solution

The fourth proportional to 8,289.28, 11,434.83 and 4,929.70 is: 6,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.28 : 11,434.83 = 4,929.70 : x
  2. Step 2: Convert to fraction form
    8,289.28/11,434.83 = 4,929.70/x
  3. Step 3: Cross multiply
    8,289.28x = 11,434.83 × 4,929.70
  4. Step 4: Simplify right side
    8,289.28x = 56,370,281.45
  5. Step 5: Solve for x
    x = 56,370,281.45/8,289.28
  6. Step 6: Final answer
    x = 6,800.38

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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.