Home / 4,389.72-6,054.12-3,602.40

Finding the Fourth Proportional to 4,389.72, 6,054.12 and 3,602.40

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Solution

The fourth proportional to 4,389.72, 6,054.12 and 3,602.40 is: 4,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.72 : 6,054.12 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    4,389.72/6,054.12 = 3,602.40/x
  3. Step 3: Cross multiply
    4,389.72x = 6,054.12 × 3,602.40
  4. Step 4: Simplify right side
    4,389.72x = 21,809,361.89
  5. Step 5: Solve for x
    x = 21,809,361.89/4,389.72
  6. Step 6: Final answer
    x = 4,968.28

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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.