Home / 9,145.26-12,620.32-4,953.50

Finding the Fourth Proportional to 9,145.26, 12,620.32 and 4,953.50

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Solution

The fourth proportional to 9,145.26, 12,620.32 and 4,953.50 is: 6,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.26 : 12,620.32 = 4,953.50 : x
  2. Step 2: Convert to fraction form
    9,145.26/12,620.32 = 4,953.50/x
  3. Step 3: Cross multiply
    9,145.26x = 12,620.32 × 4,953.50
  4. Step 4: Simplify right side
    9,145.26x = 62,514,755.12
  5. Step 5: Solve for x
    x = 62,514,755.12/9,145.26
  6. Step 6: Final answer
    x = 6,835.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.