Home / 9,145.16-12,620.37-4,953.41

Finding the Fourth Proportional to 9,145.16, 12,620.37 and 4,953.41

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Solution

The fourth proportional to 9,145.16, 12,620.37 and 4,953.41 is: 6,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.16 : 12,620.37 = 4,953.41 : x
  2. Step 2: Convert to fraction form
    9,145.16/12,620.37 = 4,953.41/x
  3. Step 3: Cross multiply
    9,145.16x = 12,620.37 × 4,953.41
  4. Step 4: Simplify right side
    9,145.16x = 62,513,866.96
  5. Step 5: Solve for x
    x = 62,513,866.96/9,145.16
  6. Step 6: Final answer
    x = 6,835.73

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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.