Home / 4,895.80-7,343.70-1,609.40

Finding the Fourth Proportional to 4,895.80, 7,343.70 and 1,609.40

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Solution

The fourth proportional to 4,895.80, 7,343.70 and 1,609.40 is: 2,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.80 : 7,343.70 = 1,609.40 : x
  2. Step 2: Convert to fraction form
    4,895.80/7,343.70 = 1,609.40/x
  3. Step 3: Cross multiply
    4,895.80x = 7,343.70 × 1,609.40
  4. Step 4: Simplify right side
    4,895.80x = 11,818,950.78
  5. Step 5: Solve for x
    x = 11,818,950.78/4,895.80
  6. Step 6: Final answer
    x = 2,414.10

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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.