Home / 9,545.90-14,319.27-2,620.40

Finding the Fourth Proportional to 9,545.90, 14,319.27 and 2,620.40

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Solution

The fourth proportional to 9,545.90, 14,319.27 and 2,620.40 is: 3,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.90 : 14,319.27 = 2,620.40 : x
  2. Step 2: Convert to fraction form
    9,545.90/14,319.27 = 2,620.40/x
  3. Step 3: Cross multiply
    9,545.90x = 14,319.27 × 2,620.40
  4. Step 4: Simplify right side
    9,545.90x = 37,522,143.51
  5. Step 5: Solve for x
    x = 37,522,143.51/9,545.90
  6. Step 6: Final answer
    x = 3,930.71

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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.