Home / 4,263.84-6,386.40-2,528.64

Finding the Fourth Proportional to 4,263.84, 6,386.40 and 2,528.64

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Solution

The fourth proportional to 4,263.84, 6,386.40 and 2,528.64 is: 3,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.84 : 6,386.40 = 2,528.64 : x
  2. Step 2: Convert to fraction form
    4,263.84/6,386.40 = 2,528.64/x
  3. Step 3: Cross multiply
    4,263.84x = 6,386.40 × 2,528.64
  4. Step 4: Simplify right side
    4,263.84x = 16,148,906.50
  5. Step 5: Solve for x
    x = 16,148,906.50/4,263.84
  6. Step 6: Final answer
    x = 3,787.41

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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.