Home / 6,403.04-9,605.55-2,705.29

Finding the Fourth Proportional to 6,403.04, 9,605.55 and 2,705.29

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Solution

The fourth proportional to 6,403.04, 9,605.55 and 2,705.29 is: 4,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.04 : 9,605.55 = 2,705.29 : x
  2. Step 2: Convert to fraction form
    6,403.04/9,605.55 = 2,705.29/x
  3. Step 3: Cross multiply
    6,403.04x = 9,605.55 × 2,705.29
  4. Step 4: Simplify right side
    6,403.04x = 25,985,784.49
  5. Step 5: Solve for x
    x = 25,985,784.49/6,403.04
  6. Step 6: Final answer
    x = 4,058.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.