Home / 5,754.28-8,630.88-1,856.56

Finding the Fourth Proportional to 5,754.28, 8,630.88 and 1,856.56

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Solution

The fourth proportional to 5,754.28, 8,630.88 and 1,856.56 is: 2,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.28 : 8,630.88 = 1,856.56 : x
  2. Step 2: Convert to fraction form
    5,754.28/8,630.88 = 1,856.56/x
  3. Step 3: Cross multiply
    5,754.28x = 8,630.88 × 1,856.56
  4. Step 4: Simplify right side
    5,754.28x = 16,023,746.57
  5. Step 5: Solve for x
    x = 16,023,746.57/5,754.28
  6. Step 6: Final answer
    x = 2,784.67

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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.