Home / 4,378.70-6,559.40-2,528.66

Finding the Fourth Proportional to 4,378.70, 6,559.40 and 2,528.66

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Solution

The fourth proportional to 4,378.70, 6,559.40 and 2,528.66 is: 3,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.70 : 6,559.40 = 2,528.66 : x
  2. Step 2: Convert to fraction form
    4,378.70/6,559.40 = 2,528.66/x
  3. Step 3: Cross multiply
    4,378.70x = 6,559.40 × 2,528.66
  4. Step 4: Simplify right side
    4,378.70x = 16,586,492.40
  5. Step 5: Solve for x
    x = 16,586,492.40/4,378.70
  6. Step 6: Final answer
    x = 3,787.99

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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.