Home / 4,283.36-6,422.88-2,088.80

Finding the Fourth Proportional to 4,283.36, 6,422.88 and 2,088.80

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Solution

The fourth proportional to 4,283.36, 6,422.88 and 2,088.80 is: 3,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.36 : 6,422.88 = 2,088.80 : x
  2. Step 2: Convert to fraction form
    4,283.36/6,422.88 = 2,088.80/x
  3. Step 3: Cross multiply
    4,283.36x = 6,422.88 × 2,088.80
  4. Step 4: Simplify right side
    4,283.36x = 13,416,111.74
  5. Step 5: Solve for x
    x = 13,416,111.74/4,283.36
  6. Step 6: Final answer
    x = 3,132.15

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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.