Home / 7,549.30-11,320.29-3,165.58

Finding the Fourth Proportional to 7,549.30, 11,320.29 and 3,165.58

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Solution

The fourth proportional to 7,549.30, 11,320.29 and 3,165.58 is: 4,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.30 : 11,320.29 = 3,165.58 : x
  2. Step 2: Convert to fraction form
    7,549.30/11,320.29 = 3,165.58/x
  3. Step 3: Cross multiply
    7,549.30x = 11,320.29 × 3,165.58
  4. Step 4: Simplify right side
    7,549.30x = 35,835,283.62
  5. Step 5: Solve for x
    x = 35,835,283.62/7,549.30
  6. Step 6: Final answer
    x = 4,746.84

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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.