Home / 5,130.24-7,080.64-3,035.52

Finding the Fourth Proportional to 5,130.24, 7,080.64 and 3,035.52

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Solution

The fourth proportional to 5,130.24, 7,080.64 and 3,035.52 is: 4,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.24 : 7,080.64 = 3,035.52 : x
  2. Step 2: Convert to fraction form
    5,130.24/7,080.64 = 3,035.52/x
  3. Step 3: Cross multiply
    5,130.24x = 7,080.64 × 3,035.52
  4. Step 4: Simplify right side
    5,130.24x = 21,493,424.33
  5. Step 5: Solve for x
    x = 21,493,424.33/5,130.24
  6. Step 6: Final answer
    x = 4,189.56

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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.