Home / 5,388.48-7,437.60-3,294.72

Finding the Fourth Proportional to 5,388.48, 7,437.60 and 3,294.72

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Solution

The fourth proportional to 5,388.48, 7,437.60 and 3,294.72 is: 4,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.48 : 7,437.60 = 3,294.72 : x
  2. Step 2: Convert to fraction form
    5,388.48/7,437.60 = 3,294.72/x
  3. Step 3: Cross multiply
    5,388.48x = 7,437.60 × 3,294.72
  4. Step 4: Simplify right side
    5,388.48x = 24,504,809.47
  5. Step 5: Solve for x
    x = 24,504,809.47/5,388.48
  6. Step 6: Final answer
    x = 4,547.63

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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.