Home / 5,720.18-7,901.37-4,391.60

Finding the Fourth Proportional to 5,720.18, 7,901.37 and 4,391.60

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Solution

The fourth proportional to 5,720.18, 7,901.37 and 4,391.60 is: 6,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.18 : 7,901.37 = 4,391.60 : x
  2. Step 2: Convert to fraction form
    5,720.18/7,901.37 = 4,391.60/x
  3. Step 3: Cross multiply
    5,720.18x = 7,901.37 × 4,391.60
  4. Step 4: Simplify right side
    5,720.18x = 34,699,616.99
  5. Step 5: Solve for x
    x = 34,699,616.99/5,720.18
  6. Step 6: Final answer
    x = 6,066.18

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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.