Home / 4,283.70-6,426.78-1,784.40

Finding the Fourth Proportional to 4,283.70, 6,426.78 and 1,784.40

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Solution

The fourth proportional to 4,283.70, 6,426.78 and 1,784.40 is: 2,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.70 : 6,426.78 = 1,784.40 : x
  2. Step 2: Convert to fraction form
    4,283.70/6,426.78 = 1,784.40/x
  3. Step 3: Cross multiply
    4,283.70x = 6,426.78 × 1,784.40
  4. Step 4: Simplify right side
    4,283.70x = 11,467,946.23
  5. Step 5: Solve for x
    x = 11,467,946.23/4,283.70
  6. Step 6: Final answer
    x = 2,677.11

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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.