Home / 7,899.79-11,845.71-2,632.93

Finding the Fourth Proportional to 7,899.79, 11,845.71 and 2,632.93

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Solution

The fourth proportional to 7,899.79, 11,845.71 and 2,632.93 is: 3,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.79 : 11,845.71 = 2,632.93 : x
  2. Step 2: Convert to fraction form
    7,899.79/11,845.71 = 2,632.93/x
  3. Step 3: Cross multiply
    7,899.79x = 11,845.71 × 2,632.93
  4. Step 4: Simplify right side
    7,899.79x = 31,188,925.23
  5. Step 5: Solve for x
    x = 31,188,925.23/7,899.79
  6. Step 6: Final answer
    x = 3,948.07

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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.