Home / 4,440.32-6,128.88-2,577.68

Finding the Fourth Proportional to 4,440.32, 6,128.88 and 2,577.68

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Solution

The fourth proportional to 4,440.32, 6,128.88 and 2,577.68 is: 3,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.32 : 6,128.88 = 2,577.68 : x
  2. Step 2: Convert to fraction form
    4,440.32/6,128.88 = 2,577.68/x
  3. Step 3: Cross multiply
    4,440.32x = 6,128.88 × 2,577.68
  4. Step 4: Simplify right side
    4,440.32x = 15,798,291.40
  5. Step 5: Solve for x
    x = 15,798,291.40/4,440.32
  6. Step 6: Final answer
    x = 3,557.92

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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.