Home / 6,469.04-9,705.72-2,572.40

Finding the Fourth Proportional to 6,469.04, 9,705.72 and 2,572.40

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Solution

The fourth proportional to 6,469.04, 9,705.72 and 2,572.40 is: 3,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.04 : 9,705.72 = 2,572.40 : x
  2. Step 2: Convert to fraction form
    6,469.04/9,705.72 = 2,572.40/x
  3. Step 3: Cross multiply
    6,469.04x = 9,705.72 × 2,572.40
  4. Step 4: Simplify right side
    6,469.04x = 24,966,994.13
  5. Step 5: Solve for x
    x = 24,966,994.13/6,469.04
  6. Step 6: Final answer
    x = 3,859.46

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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.