Home / 5,456.32-7,536.48-5,374.40

Finding the Fourth Proportional to 5,456.32, 7,536.48 and 5,374.40

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Solution

The fourth proportional to 5,456.32, 7,536.48 and 5,374.40 is: 7,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.32 : 7,536.48 = 5,374.40 : x
  2. Step 2: Convert to fraction form
    5,456.32/7,536.48 = 5,374.40/x
  3. Step 3: Cross multiply
    5,456.32x = 7,536.48 × 5,374.40
  4. Step 4: Simplify right side
    5,456.32x = 40,504,058.11
  5. Step 5: Solve for x
    x = 40,504,058.11/5,456.32
  6. Step 6: Final answer
    x = 7,423.33

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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.