Home / 4,085.91-6,127.95-1,620.07

Finding the Fourth Proportional to 4,085.91, 6,127.95 and 1,620.07

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Solution

The fourth proportional to 4,085.91, 6,127.95 and 1,620.07 is: 2,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.91 : 6,127.95 = 1,620.07 : x
  2. Step 2: Convert to fraction form
    4,085.91/6,127.95 = 1,620.07/x
  3. Step 3: Cross multiply
    4,085.91x = 6,127.95 × 1,620.07
  4. Step 4: Simplify right side
    4,085.91x = 9,927,698.71
  5. Step 5: Solve for x
    x = 9,927,698.71/4,085.91
  6. Step 6: Final answer
    x = 2,429.74

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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.