Home / 7,930.87-11,903.69-4,038.19

Finding the Fourth Proportional to 7,930.87, 11,903.69 and 4,038.19

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Solution

The fourth proportional to 7,930.87, 11,903.69 and 4,038.19 is: 6,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.87 : 11,903.69 = 4,038.19 : x
  2. Step 2: Convert to fraction form
    7,930.87/11,903.69 = 4,038.19/x
  3. Step 3: Cross multiply
    7,930.87x = 11,903.69 × 4,038.19
  4. Step 4: Simplify right side
    7,930.87x = 48,069,341.73
  5. Step 5: Solve for x
    x = 48,069,341.73/7,930.87
  6. Step 6: Final answer
    x = 6,061.04

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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.