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Finding the Fourth Proportional to 5,030.73, 7,545.03 and 1,909.65

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Solution

The fourth proportional to 5,030.73, 7,545.03 and 1,909.65 is: 2,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.73 : 7,545.03 = 1,909.65 : x
  2. Step 2: Convert to fraction form
    5,030.73/7,545.03 = 1,909.65/x
  3. Step 3: Cross multiply
    5,030.73x = 7,545.03 × 1,909.65
  4. Step 4: Simplify right side
    5,030.73x = 14,408,366.54
  5. Step 5: Solve for x
    x = 14,408,366.54/5,030.73
  6. Step 6: Final answer
    x = 2,864.07

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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.