Home / 5,455.90-7,525.98-3,438.53

Finding the Fourth Proportional to 5,455.90, 7,525.98 and 3,438.53

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Solution

The fourth proportional to 5,455.90, 7,525.98 and 3,438.53 is: 4,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.90 : 7,525.98 = 3,438.53 : x
  2. Step 2: Convert to fraction form
    5,455.90/7,525.98 = 3,438.53/x
  3. Step 3: Cross multiply
    5,455.90x = 7,525.98 × 3,438.53
  4. Step 4: Simplify right side
    5,455.90x = 25,878,269.07
  5. Step 5: Solve for x
    x = 25,878,269.07/5,455.90
  6. Step 6: Final answer
    x = 4,743.17

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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.