Home / 5,403.23-7,456.74-3,165.28

Finding the Fourth Proportional to 5,403.23, 7,456.74 and 3,165.28

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Solution

The fourth proportional to 5,403.23, 7,456.74 and 3,165.28 is: 4,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.23 : 7,456.74 = 3,165.28 : x
  2. Step 2: Convert to fraction form
    5,403.23/7,456.74 = 3,165.28/x
  3. Step 3: Cross multiply
    5,403.23x = 7,456.74 × 3,165.28
  4. Step 4: Simplify right side
    5,403.23x = 23,602,651.35
  5. Step 5: Solve for x
    x = 23,602,651.35/5,403.23
  6. Step 6: Final answer
    x = 4,368.25

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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.