Home / 5,451.51-7,523.28-3,215.31

Finding the Fourth Proportional to 5,451.51, 7,523.28 and 3,215.31

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Solution

The fourth proportional to 5,451.51, 7,523.28 and 3,215.31 is: 4,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.51 : 7,523.28 = 3,215.31 : x
  2. Step 2: Convert to fraction form
    5,451.51/7,523.28 = 3,215.31/x
  3. Step 3: Cross multiply
    5,451.51x = 7,523.28 × 3,215.31
  4. Step 4: Simplify right side
    5,451.51x = 24,189,677.42
  5. Step 5: Solve for x
    x = 24,189,677.42/5,451.51
  6. Step 6: Final answer
    x = 4,437.24

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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.