Home / 5,600.23-8,400.21-1,440.16

Finding the Fourth Proportional to 5,600.23, 8,400.21 and 1,440.16

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Solution

The fourth proportional to 5,600.23, 8,400.21 and 1,440.16 is: 2,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.23 : 8,400.21 = 1,440.16 : x
  2. Step 2: Convert to fraction form
    5,600.23/8,400.21 = 1,440.16/x
  3. Step 3: Cross multiply
    5,600.23x = 8,400.21 × 1,440.16
  4. Step 4: Simplify right side
    5,600.23x = 12,097,646.43
  5. Step 5: Solve for x
    x = 12,097,646.43/5,600.23
  6. Step 6: Final answer
    x = 2,160.21

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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.