Home / 4,242.84-6,366.74-1,777.45

Finding the Fourth Proportional to 4,242.84, 6,366.74 and 1,777.45

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Solution

The fourth proportional to 4,242.84, 6,366.74 and 1,777.45 is: 2,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.84 : 6,366.74 = 1,777.45 : x
  2. Step 2: Convert to fraction form
    4,242.84/6,366.74 = 1,777.45/x
  3. Step 3: Cross multiply
    4,242.84x = 6,366.74 × 1,777.45
  4. Step 4: Simplify right side
    4,242.84x = 11,316,562.01
  5. Step 5: Solve for x
    x = 11,316,562.01/4,242.84
  6. Step 6: Final answer
    x = 2,667.21

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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.