Home / 5,458.90-8,176.20-4,365.40

Finding the Fourth Proportional to 5,458.90, 8,176.20 and 4,365.40

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Solution

The fourth proportional to 5,458.90, 8,176.20 and 4,365.40 is: 6,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.90 : 8,176.20 = 4,365.40 : x
  2. Step 2: Convert to fraction form
    5,458.90/8,176.20 = 4,365.40/x
  3. Step 3: Cross multiply
    5,458.90x = 8,176.20 × 4,365.40
  4. Step 4: Simplify right side
    5,458.90x = 35,692,383.48
  5. Step 5: Solve for x
    x = 35,692,383.48/5,458.90
  6. Step 6: Final answer
    x = 6,538.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.