Home / 4,308.30-6,465.69-2,918.34

Finding the Fourth Proportional to 4,308.30, 6,465.69 and 2,918.34

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Solution

The fourth proportional to 4,308.30, 6,465.69 and 2,918.34 is: 4,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.30 : 6,465.69 = 2,918.34 : x
  2. Step 2: Convert to fraction form
    4,308.30/6,465.69 = 2,918.34/x
  3. Step 3: Cross multiply
    4,308.30x = 6,465.69 × 2,918.34
  4. Step 4: Simplify right side
    4,308.30x = 18,869,081.75
  5. Step 5: Solve for x
    x = 18,869,081.75/4,308.30
  6. Step 6: Final answer
    x = 4,379.70

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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.