Home / 7,165.16-9,887.56-4,333.20

Finding the Fourth Proportional to 7,165.16, 9,887.56 and 4,333.20

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Solution

The fourth proportional to 7,165.16, 9,887.56 and 4,333.20 is: 5,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.16 : 9,887.56 = 4,333.20 : x
  2. Step 2: Convert to fraction form
    7,165.16/9,887.56 = 4,333.20/x
  3. Step 3: Cross multiply
    7,165.16x = 9,887.56 × 4,333.20
  4. Step 4: Simplify right side
    7,165.16x = 42,844,774.99
  5. Step 5: Solve for x
    x = 42,844,774.99/7,165.16
  6. Step 6: Final answer
    x = 5,979.60

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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.