Home / 4,568.40-6,852.88-1,281.76

Finding the Fourth Proportional to 4,568.40, 6,852.88 and 1,281.76

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Solution

The fourth proportional to 4,568.40, 6,852.88 and 1,281.76 is: 1,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,568.40 : 6,852.88 = 1,281.76 : x
  2. Step 2: Convert to fraction form
    4,568.40/6,852.88 = 1,281.76/x
  3. Step 3: Cross multiply
    4,568.40x = 6,852.88 × 1,281.76
  4. Step 4: Simplify right side
    4,568.40x = 8,783,747.47
  5. Step 5: Solve for x
    x = 8,783,747.47/4,568.40
  6. Step 6: Final answer
    x = 1,922.72

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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.