Home / 7,030.50-10,545.85-1,836.38

Finding the Fourth Proportional to 7,030.50, 10,545.85 and 1,836.38

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Solution

The fourth proportional to 7,030.50, 10,545.85 and 1,836.38 is: 2,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.50 : 10,545.85 = 1,836.38 : x
  2. Step 2: Convert to fraction form
    7,030.50/10,545.85 = 1,836.38/x
  3. Step 3: Cross multiply
    7,030.50x = 10,545.85 × 1,836.38
  4. Step 4: Simplify right side
    7,030.50x = 19,366,137.59
  5. Step 5: Solve for x
    x = 19,366,137.59/7,030.50
  6. Step 6: Final answer
    x = 2,754.59

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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.