Home / 5,637.72-7,783.18-3,400.16

Finding the Fourth Proportional to 5,637.72, 7,783.18 and 3,400.16

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Solution

The fourth proportional to 5,637.72, 7,783.18 and 3,400.16 is: 4,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.72 : 7,783.18 = 3,400.16 : x
  2. Step 2: Convert to fraction form
    5,637.72/7,783.18 = 3,400.16/x
  3. Step 3: Cross multiply
    5,637.72x = 7,783.18 × 3,400.16
  4. Step 4: Simplify right side
    5,637.72x = 26,464,057.31
  5. Step 5: Solve for x
    x = 26,464,057.31/5,637.72
  6. Step 6: Final answer
    x = 4,694.11

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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.