Home / 6,210.77-9,315.21-3,089.75

Finding the Fourth Proportional to 6,210.77, 9,315.21 and 3,089.75

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Solution

The fourth proportional to 6,210.77, 9,315.21 and 3,089.75 is: 4,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.77 : 9,315.21 = 3,089.75 : x
  2. Step 2: Convert to fraction form
    6,210.77/9,315.21 = 3,089.75/x
  3. Step 3: Cross multiply
    6,210.77x = 9,315.21 × 3,089.75
  4. Step 4: Simplify right side
    6,210.77x = 28,781,670.10
  5. Step 5: Solve for x
    x = 28,781,670.10/6,210.77
  6. Step 6: Final answer
    x = 4,634.15

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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.