Home / 6,320.90-9,482.73-1,938.69

Finding the Fourth Proportional to 6,320.90, 9,482.73 and 1,938.69

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Solution

The fourth proportional to 6,320.90, 9,482.73 and 1,938.69 is: 2,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.90 : 9,482.73 = 1,938.69 : x
  2. Step 2: Convert to fraction form
    6,320.90/9,482.73 = 1,938.69/x
  3. Step 3: Cross multiply
    6,320.90x = 9,482.73 × 1,938.69
  4. Step 4: Simplify right side
    6,320.90x = 18,384,073.82
  5. Step 5: Solve for x
    x = 18,384,073.82/6,320.90
  6. Step 6: Final answer
    x = 2,908.46

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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.