Home / 9,790.57-14,688.29-3,951.28

Finding the Fourth Proportional to 9,790.57, 14,688.29 and 3,951.28

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Solution

The fourth proportional to 9,790.57, 14,688.29 and 3,951.28 is: 5,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.57 : 14,688.29 = 3,951.28 : x
  2. Step 2: Convert to fraction form
    9,790.57/14,688.29 = 3,951.28/x
  3. Step 3: Cross multiply
    9,790.57x = 14,688.29 × 3,951.28
  4. Step 4: Simplify right side
    9,790.57x = 58,037,546.51
  5. Step 5: Solve for x
    x = 58,037,546.51/9,790.57
  6. Step 6: Final answer
    x = 5,927.90

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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.