Home / 7,242.08-9,994.40-5,667.44

Finding the Fourth Proportional to 7,242.08, 9,994.40 and 5,667.44

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Solution

The fourth proportional to 7,242.08, 9,994.40 and 5,667.44 is: 7,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.08 : 9,994.40 = 5,667.44 : x
  2. Step 2: Convert to fraction form
    7,242.08/9,994.40 = 5,667.44/x
  3. Step 3: Cross multiply
    7,242.08x = 9,994.40 × 5,667.44
  4. Step 4: Simplify right side
    7,242.08x = 56,642,662.34
  5. Step 5: Solve for x
    x = 56,642,662.34/7,242.08
  6. Step 6: Final answer
    x = 7,821.33

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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.