Home / 9,145.25-12,620.46-4,953.50

Finding the Fourth Proportional to 9,145.25, 12,620.46 and 4,953.50

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Solution

The fourth proportional to 9,145.25, 12,620.46 and 4,953.50 is: 6,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.25 : 12,620.46 = 4,953.50 : x
  2. Step 2: Convert to fraction form
    9,145.25/12,620.46 = 4,953.50/x
  3. Step 3: Cross multiply
    9,145.25x = 12,620.46 × 4,953.50
  4. Step 4: Simplify right side
    9,145.25x = 62,515,448.61
  5. Step 5: Solve for x
    x = 62,515,448.61/9,145.25
  6. Step 6: Final answer
    x = 6,835.84

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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.