Home / 5,433.40-8,150.10-4,720.60

Finding the Fourth Proportional to 5,433.40, 8,150.10 and 4,720.60

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Solution

The fourth proportional to 5,433.40, 8,150.10 and 4,720.60 is: 7,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.40 : 8,150.10 = 4,720.60 : x
  2. Step 2: Convert to fraction form
    5,433.40/8,150.10 = 4,720.60/x
  3. Step 3: Cross multiply
    5,433.40x = 8,150.10 × 4,720.60
  4. Step 4: Simplify right side
    5,433.40x = 38,473,362.06
  5. Step 5: Solve for x
    x = 38,473,362.06/5,433.40
  6. Step 6: Final answer
    x = 7,080.90

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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.