Home / 6,319.18-8,720.36-3,524.68

Finding the Fourth Proportional to 6,319.18, 8,720.36 and 3,524.68

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Solution

The fourth proportional to 6,319.18, 8,720.36 and 3,524.68 is: 4,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.18 : 8,720.36 = 3,524.68 : x
  2. Step 2: Convert to fraction form
    6,319.18/8,720.36 = 3,524.68/x
  3. Step 3: Cross multiply
    6,319.18x = 8,720.36 × 3,524.68
  4. Step 4: Simplify right side
    6,319.18x = 30,736,478.48
  5. Step 5: Solve for x
    x = 30,736,478.48/6,319.18
  6. Step 6: Final answer
    x = 4,864.00

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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.