Home / 4,283.79-5,909.94-2,689.50

Finding the Fourth Proportional to 4,283.79, 5,909.94 and 2,689.50

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Solution

The fourth proportional to 4,283.79, 5,909.94 and 2,689.50 is: 3,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.79 : 5,909.94 = 2,689.50 : x
  2. Step 2: Convert to fraction form
    4,283.79/5,909.94 = 2,689.50/x
  3. Step 3: Cross multiply
    4,283.79x = 5,909.94 × 2,689.50
  4. Step 4: Simplify right side
    4,283.79x = 15,894,783.63
  5. Step 5: Solve for x
    x = 15,894,783.63/4,283.79
  6. Step 6: Final answer
    x = 3,710.45

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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.