Home / 4,287.09-6,430.83-1,365.12

Finding the Fourth Proportional to 4,287.09, 6,430.83 and 1,365.12

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Solution

The fourth proportional to 4,287.09, 6,430.83 and 1,365.12 is: 2,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.09 : 6,430.83 = 1,365.12 : x
  2. Step 2: Convert to fraction form
    4,287.09/6,430.83 = 1,365.12/x
  3. Step 3: Cross multiply
    4,287.09x = 6,430.83 × 1,365.12
  4. Step 4: Simplify right side
    4,287.09x = 8,778,854.65
  5. Step 5: Solve for x
    x = 8,778,854.65/4,287.09
  6. Step 6: Final answer
    x = 2,047.74

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1.5x scale

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.