Home / 5,166.09-7,746.71-1,876.91

Finding the Fourth Proportional to 5,166.09, 7,746.71 and 1,876.91

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Solution

The fourth proportional to 5,166.09, 7,746.71 and 1,876.91 is: 2,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.09 : 7,746.71 = 1,876.91 : x
  2. Step 2: Convert to fraction form
    5,166.09/7,746.71 = 1,876.91/x
  3. Step 3: Cross multiply
    5,166.09x = 7,746.71 × 1,876.91
  4. Step 4: Simplify right side
    5,166.09x = 14,539,829.35
  5. Step 5: Solve for x
    x = 14,539,829.35/5,166.09
  6. Step 6: Final answer
    x = 2,814.47

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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.