Home / 4,655.78-6,426.10-2,667.50

Finding the Fourth Proportional to 4,655.78, 6,426.10 and 2,667.50

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Solution

The fourth proportional to 4,655.78, 6,426.10 and 2,667.50 is: 3,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.78 : 6,426.10 = 2,667.50 : x
  2. Step 2: Convert to fraction form
    4,655.78/6,426.10 = 2,667.50/x
  3. Step 3: Cross multiply
    4,655.78x = 6,426.10 × 2,667.50
  4. Step 4: Simplify right side
    4,655.78x = 17,141,621.75
  5. Step 5: Solve for x
    x = 17,141,621.75/4,655.78
  6. Step 6: Final answer
    x = 3,681.79

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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.