Home / 7,385.44-10,188.30-4,400.32

Finding the Fourth Proportional to 7,385.44, 10,188.30 and 4,400.32

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Solution

The fourth proportional to 7,385.44, 10,188.30 and 4,400.32 is: 6,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.44 : 10,188.30 = 4,400.32 : x
  2. Step 2: Convert to fraction form
    7,385.44/10,188.30 = 4,400.32/x
  3. Step 3: Cross multiply
    7,385.44x = 10,188.30 × 4,400.32
  4. Step 4: Simplify right side
    7,385.44x = 44,831,780.26
  5. Step 5: Solve for x
    x = 44,831,780.26/7,385.44
  6. Step 6: Final answer
    x = 6,070.29

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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.