Home / 8,241.90-12,346.37-4,953.20

Finding the Fourth Proportional to 8,241.90, 12,346.37 and 4,953.20

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Solution

The fourth proportional to 8,241.90, 12,346.37 and 4,953.20 is: 7,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.90 : 12,346.37 = 4,953.20 : x
  2. Step 2: Convert to fraction form
    8,241.90/12,346.37 = 4,953.20/x
  3. Step 3: Cross multiply
    8,241.90x = 12,346.37 × 4,953.20
  4. Step 4: Simplify right side
    8,241.90x = 61,154,069.27
  5. Step 5: Solve for x
    x = 61,154,069.27/8,241.90
  6. Step 6: Final answer
    x = 7,419.90

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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.