Home / 5,819.51-8,031.08-3,582.70

Finding the Fourth Proportional to 5,819.51, 8,031.08 and 3,582.70

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Solution

The fourth proportional to 5,819.51, 8,031.08 and 3,582.70 is: 4,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.51 : 8,031.08 = 3,582.70 : x
  2. Step 2: Convert to fraction form
    5,819.51/8,031.08 = 3,582.70/x
  3. Step 3: Cross multiply
    5,819.51x = 8,031.08 × 3,582.70
  4. Step 4: Simplify right side
    5,819.51x = 28,772,939.20
  5. Step 5: Solve for x
    x = 28,772,939.20/5,819.51
  6. Step 6: Final answer
    x = 4,944.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.