Home / 5,387.09-7,434.59-3,029.58

Finding the Fourth Proportional to 5,387.09, 7,434.59 and 3,029.58

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Solution

The fourth proportional to 5,387.09, 7,434.59 and 3,029.58 is: 4,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.09 : 7,434.59 = 3,029.58 : x
  2. Step 2: Convert to fraction form
    5,387.09/7,434.59 = 3,029.58/x
  3. Step 3: Cross multiply
    5,387.09x = 7,434.59 × 3,029.58
  4. Step 4: Simplify right side
    5,387.09x = 22,523,670.02
  5. Step 5: Solve for x
    x = 22,523,670.02/5,387.09
  6. Step 6: Final answer
    x = 4,181.05

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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.