Home / 5,395.45-7,445.53-3,005.34

Finding the Fourth Proportional to 5,395.45, 7,445.53 and 3,005.34

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Solution

The fourth proportional to 5,395.45, 7,445.53 and 3,005.34 is: 4,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.45 : 7,445.53 = 3,005.34 : x
  2. Step 2: Convert to fraction form
    5,395.45/7,445.53 = 3,005.34/x
  3. Step 3: Cross multiply
    5,395.45x = 7,445.53 × 3,005.34
  4. Step 4: Simplify right side
    5,395.45x = 22,376,349.13
  5. Step 5: Solve for x
    x = 22,376,349.13/5,395.45
  6. Step 6: Final answer
    x = 4,147.26

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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.