Home / 4,085.10-6,127.65-2,440.80

Finding the Fourth Proportional to 4,085.10, 6,127.65 and 2,440.80

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Solution

The fourth proportional to 4,085.10, 6,127.65 and 2,440.80 is: 3,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.10 : 6,127.65 = 2,440.80 : x
  2. Step 2: Convert to fraction form
    4,085.10/6,127.65 = 2,440.80/x
  3. Step 3: Cross multiply
    4,085.10x = 6,127.65 × 2,440.80
  4. Step 4: Simplify right side
    4,085.10x = 14,956,368.12
  5. Step 5: Solve for x
    x = 14,956,368.12/4,085.10
  6. Step 6: Final answer
    x = 3,661.20

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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.