Home / 5,617.36-8,421.16-2,152.18

Finding the Fourth Proportional to 5,617.36, 8,421.16 and 2,152.18

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Solution

The fourth proportional to 5,617.36, 8,421.16 and 2,152.18 is: 3,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.36 : 8,421.16 = 2,152.18 : x
  2. Step 2: Convert to fraction form
    5,617.36/8,421.16 = 2,152.18/x
  3. Step 3: Cross multiply
    5,617.36x = 8,421.16 × 2,152.18
  4. Step 4: Simplify right side
    5,617.36x = 18,123,852.13
  5. Step 5: Solve for x
    x = 18,123,852.13/5,617.36
  6. Step 6: Final answer
    x = 3,226.40

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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.