Home / 8,242.90-11,374.64-4,608.71

Finding the Fourth Proportional to 8,242.90, 11,374.64 and 4,608.71

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Solution

The fourth proportional to 8,242.90, 11,374.64 and 4,608.71 is: 6,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.90 : 11,374.64 = 4,608.71 : x
  2. Step 2: Convert to fraction form
    8,242.90/11,374.64 = 4,608.71/x
  3. Step 3: Cross multiply
    8,242.90x = 11,374.64 × 4,608.71
  4. Step 4: Simplify right side
    8,242.90x = 52,422,417.11
  5. Step 5: Solve for x
    x = 52,422,417.11/8,242.90
  6. Step 6: Final answer
    x = 6,359.71

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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.