Home / 8,242.13-11,374.15-4,705.26

Finding the Fourth Proportional to 8,242.13, 11,374.15 and 4,705.26

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Solution

The fourth proportional to 8,242.13, 11,374.15 and 4,705.26 is: 6,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.13 : 11,374.15 = 4,705.26 : x
  2. Step 2: Convert to fraction form
    8,242.13/11,374.15 = 4,705.26/x
  3. Step 3: Cross multiply
    8,242.13x = 11,374.15 × 4,705.26
  4. Step 4: Simplify right side
    8,242.13x = 53,518,333.03
  5. Step 5: Solve for x
    x = 53,518,333.03/8,242.13
  6. Step 6: Final answer
    x = 6,493.26

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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.