Home / 9,259.04-12,780.96-6,119.48

Finding the Fourth Proportional to 9,259.04, 12,780.96 and 6,119.48

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Solution

The fourth proportional to 9,259.04, 12,780.96 and 6,119.48 is: 8,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.04 : 12,780.96 = 6,119.48 : x
  2. Step 2: Convert to fraction form
    9,259.04/12,780.96 = 6,119.48/x
  3. Step 3: Cross multiply
    9,259.04x = 12,780.96 × 6,119.48
  4. Step 4: Simplify right side
    9,259.04x = 78,212,829.10
  5. Step 5: Solve for x
    x = 78,212,829.10/9,259.04
  6. Step 6: Final answer
    x = 8,447.19

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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.