Home / 5,630.46-8,439.69-2,859.18

Finding the Fourth Proportional to 5,630.46, 8,439.69 and 2,859.18

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Solution

The fourth proportional to 5,630.46, 8,439.69 and 2,859.18 is: 4,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.46 : 8,439.69 = 2,859.18 : x
  2. Step 2: Convert to fraction form
    5,630.46/8,439.69 = 2,859.18/x
  3. Step 3: Cross multiply
    5,630.46x = 8,439.69 × 2,859.18
  4. Step 4: Simplify right side
    5,630.46x = 24,130,592.85
  5. Step 5: Solve for x
    x = 24,130,592.85/5,630.46
  6. Step 6: Final answer
    x = 4,285.72

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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.