Home / 6,119.48-8,444.78-3,430.68

Finding the Fourth Proportional to 6,119.48, 8,444.78 and 3,430.68

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Solution

The fourth proportional to 6,119.48, 8,444.78 and 3,430.68 is: 4,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.48 : 8,444.78 = 3,430.68 : x
  2. Step 2: Convert to fraction form
    6,119.48/8,444.78 = 3,430.68/x
  3. Step 3: Cross multiply
    6,119.48x = 8,444.78 × 3,430.68
  4. Step 4: Simplify right side
    6,119.48x = 28,971,320.70
  5. Step 5: Solve for x
    x = 28,971,320.70/6,119.48
  6. Step 6: Final answer
    x = 4,734.28

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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.