Home / 4,320.60-6,470.10-3,456.60

Finding the Fourth Proportional to 4,320.60, 6,470.10 and 3,456.60

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Solution

The fourth proportional to 4,320.60, 6,470.10 and 3,456.60 is: 5,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.60 : 6,470.10 = 3,456.60 : x
  2. Step 2: Convert to fraction form
    4,320.60/6,470.10 = 3,456.60/x
  3. Step 3: Cross multiply
    4,320.60x = 6,470.10 × 3,456.60
  4. Step 4: Simplify right side
    4,320.60x = 22,364,547.66
  5. Step 5: Solve for x
    x = 22,364,547.66/4,320.60
  6. Step 6: Final answer
    x = 5,176.26

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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.