Home / 5,678.36-8,513.71-2,902.76

Finding the Fourth Proportional to 5,678.36, 8,513.71 and 2,902.76

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Solution

The fourth proportional to 5,678.36, 8,513.71 and 2,902.76 is: 4,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.36 : 8,513.71 = 2,902.76 : x
  2. Step 2: Convert to fraction form
    5,678.36/8,513.71 = 2,902.76/x
  3. Step 3: Cross multiply
    5,678.36x = 8,513.71 × 2,902.76
  4. Step 4: Simplify right side
    5,678.36x = 24,713,207.01
  5. Step 5: Solve for x
    x = 24,713,207.01/5,678.36
  6. Step 6: Final answer
    x = 4,352.18

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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.