Home / 7,577.44-10,455.28-4,390.55

Finding the Fourth Proportional to 7,577.44, 10,455.28 and 4,390.55

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Solution

The fourth proportional to 7,577.44, 10,455.28 and 4,390.55 is: 6,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.44 : 10,455.28 = 4,390.55 : x
  2. Step 2: Convert to fraction form
    7,577.44/10,455.28 = 4,390.55/x
  3. Step 3: Cross multiply
    7,577.44x = 10,455.28 × 4,390.55
  4. Step 4: Simplify right side
    7,577.44x = 45,904,405.56
  5. Step 5: Solve for x
    x = 45,904,405.56/7,577.44
  6. Step 6: Final answer
    x = 6,058.04

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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.