Home / 5,590.32-8,389.12-2,127.57

Finding the Fourth Proportional to 5,590.32, 8,389.12 and 2,127.57

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Solution

The fourth proportional to 5,590.32, 8,389.12 and 2,127.57 is: 3,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.32 : 8,389.12 = 2,127.57 : x
  2. Step 2: Convert to fraction form
    5,590.32/8,389.12 = 2,127.57/x
  3. Step 3: Cross multiply
    5,590.32x = 8,389.12 × 2,127.57
  4. Step 4: Simplify right side
    5,590.32x = 17,848,440.04
  5. Step 5: Solve for x
    x = 17,848,440.04/5,590.32
  6. Step 6: Final answer
    x = 3,192.74

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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.