Home / 5,838.64-8,757.98-1,678.72

Finding the Fourth Proportional to 5,838.64, 8,757.98 and 1,678.72

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Solution

The fourth proportional to 5,838.64, 8,757.98 and 1,678.72 is: 2,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.64 : 8,757.98 = 1,678.72 : x
  2. Step 2: Convert to fraction form
    5,838.64/8,757.98 = 1,678.72/x
  3. Step 3: Cross multiply
    5,838.64x = 8,757.98 × 1,678.72
  4. Step 4: Simplify right side
    5,838.64x = 14,702,196.19
  5. Step 5: Solve for x
    x = 14,702,196.19/5,838.64
  6. Step 6: Final answer
    x = 2,518.09

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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.