Home / 5,590.68-8,389.80-2,127.84

Finding the Fourth Proportional to 5,590.68, 8,389.80 and 2,127.84

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Solution

The fourth proportional to 5,590.68, 8,389.80 and 2,127.84 is: 3,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.68 : 8,389.80 = 2,127.84 : x
  2. Step 2: Convert to fraction form
    5,590.68/8,389.80 = 2,127.84/x
  3. Step 3: Cross multiply
    5,590.68x = 8,389.80 × 2,127.84
  4. Step 4: Simplify right side
    5,590.68x = 17,852,152.03
  5. Step 5: Solve for x
    x = 17,852,152.03/5,590.68
  6. Step 6: Final answer
    x = 3,193.20

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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.