Home / 7,165.04-9,885.38-4,333.28

Finding the Fourth Proportional to 7,165.04, 9,885.38 and 4,333.28

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Solution

The fourth proportional to 7,165.04, 9,885.38 and 4,333.28 is: 5,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.04 : 9,885.38 = 4,333.28 : x
  2. Step 2: Convert to fraction form
    7,165.04/9,885.38 = 4,333.28/x
  3. Step 3: Cross multiply
    7,165.04x = 9,885.38 × 4,333.28
  4. Step 4: Simplify right side
    7,165.04x = 42,836,048.35
  5. Step 5: Solve for x
    x = 42,836,048.35/7,165.04
  6. Step 6: Final answer
    x = 5,978.48

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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.