Home / 5,714.37-8,572.77-1,818.63

Finding the Fourth Proportional to 5,714.37, 8,572.77 and 1,818.63

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Solution

The fourth proportional to 5,714.37, 8,572.77 and 1,818.63 is: 2,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.37 : 8,572.77 = 1,818.63 : x
  2. Step 2: Convert to fraction form
    5,714.37/8,572.77 = 1,818.63/x
  3. Step 3: Cross multiply
    5,714.37x = 8,572.77 × 1,818.63
  4. Step 4: Simplify right side
    5,714.37x = 15,590,696.71
  5. Step 5: Solve for x
    x = 15,590,696.71/5,714.37
  6. Step 6: Final answer
    x = 2,728.33

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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.