Home / 7,035.60-10,549.40-2,653.20

Finding the Fourth Proportional to 7,035.60, 10,549.40 and 2,653.20

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Solution

The fourth proportional to 7,035.60, 10,549.40 and 2,653.20 is: 3,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.60 : 10,549.40 = 2,653.20 : x
  2. Step 2: Convert to fraction form
    7,035.60/10,549.40 = 2,653.20/x
  3. Step 3: Cross multiply
    7,035.60x = 10,549.40 × 2,653.20
  4. Step 4: Simplify right side
    7,035.60x = 27,989,668.08
  5. Step 5: Solve for x
    x = 27,989,668.08/7,035.60
  6. Step 6: Final answer
    x = 3,978.29

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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.