Home / 5,390.16-7,438.48-3,032.30

Finding the Fourth Proportional to 5,390.16, 7,438.48 and 3,032.30

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Solution

The fourth proportional to 5,390.16, 7,438.48 and 3,032.30 is: 4,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.16 : 7,438.48 = 3,032.30 : x
  2. Step 2: Convert to fraction form
    5,390.16/7,438.48 = 3,032.30/x
  3. Step 3: Cross multiply
    5,390.16x = 7,438.48 × 3,032.30
  4. Step 4: Simplify right side
    5,390.16x = 22,555,702.90
  5. Step 5: Solve for x
    x = 22,555,702.90/5,390.16
  6. Step 6: Final answer
    x = 4,184.61

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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.