Home / 6,326.20-9,489.30-2,430.70

Finding the Fourth Proportional to 6,326.20, 9,489.30 and 2,430.70

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Solution

The fourth proportional to 6,326.20, 9,489.30 and 2,430.70 is: 3,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.20 : 9,489.30 = 2,430.70 : x
  2. Step 2: Convert to fraction form
    6,326.20/9,489.30 = 2,430.70/x
  3. Step 3: Cross multiply
    6,326.20x = 9,489.30 × 2,430.70
  4. Step 4: Simplify right side
    6,326.20x = 23,065,641.51
  5. Step 5: Solve for x
    x = 23,065,641.51/6,326.20
  6. Step 6: Final answer
    x = 3,646.05

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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.