Home / 5,396.40-7,445.16-3,038.58

Finding the Fourth Proportional to 5,396.40, 7,445.16 and 3,038.58

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Solution

The fourth proportional to 5,396.40, 7,445.16 and 3,038.58 is: 4,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.40 : 7,445.16 = 3,038.58 : x
  2. Step 2: Convert to fraction form
    5,396.40/7,445.16 = 3,038.58/x
  3. Step 3: Cross multiply
    5,396.40x = 7,445.16 × 3,038.58
  4. Step 4: Simplify right side
    5,396.40x = 22,622,714.27
  5. Step 5: Solve for x
    x = 22,622,714.27/5,396.40
  6. Step 6: Final answer
    x = 4,192.19

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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.