Home / 5,306.25-7,323.30-3,210.39

Finding the Fourth Proportional to 5,306.25, 7,323.30 and 3,210.39

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Solution

The fourth proportional to 5,306.25, 7,323.30 and 3,210.39 is: 4,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.25 : 7,323.30 = 3,210.39 : x
  2. Step 2: Convert to fraction form
    5,306.25/7,323.30 = 3,210.39/x
  3. Step 3: Cross multiply
    5,306.25x = 7,323.30 × 3,210.39
  4. Step 4: Simplify right side
    5,306.25x = 23,510,649.09
  5. Step 5: Solve for x
    x = 23,510,649.09/5,306.25
  6. Step 6: Final answer
    x = 4,430.75

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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.