Home / 6,127.09-8,454.08-4,005.72

Finding the Fourth Proportional to 6,127.09, 8,454.08 and 4,005.72

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Solution

The fourth proportional to 6,127.09, 8,454.08 and 4,005.72 is: 5,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.09 : 8,454.08 = 4,005.72 : x
  2. Step 2: Convert to fraction form
    6,127.09/8,454.08 = 4,005.72/x
  3. Step 3: Cross multiply
    6,127.09x = 8,454.08 × 4,005.72
  4. Step 4: Simplify right side
    6,127.09x = 33,864,710.71
  5. Step 5: Solve for x
    x = 33,864,710.71/6,127.09
  6. Step 6: Final answer
    x = 5,527.05

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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.