Home / 9,861.34-14,792.10-3,287.50

Finding the Fourth Proportional to 9,861.34, 14,792.10 and 3,287.50

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Solution

The fourth proportional to 9,861.34, 14,792.10 and 3,287.50 is: 4,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.34 : 14,792.10 = 3,287.50 : x
  2. Step 2: Convert to fraction form
    9,861.34/14,792.10 = 3,287.50/x
  3. Step 3: Cross multiply
    9,861.34x = 14,792.10 × 3,287.50
  4. Step 4: Simplify right side
    9,861.34x = 48,629,028.75
  5. Step 5: Solve for x
    x = 48,629,028.75/9,861.34
  6. Step 6: Final answer
    x = 4,931.28

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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.