Home / 4,294.63-6,390.50-4,280.05

Finding the Fourth Proportional to 4,294.63, 6,390.50 and 4,280.05

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Solution

The fourth proportional to 4,294.63, 6,390.50 and 4,280.05 is: 6,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.63 : 6,390.50 = 4,280.05 : x
  2. Step 2: Convert to fraction form
    4,294.63/6,390.50 = 4,280.05/x
  3. Step 3: Cross multiply
    4,294.63x = 6,390.50 × 4,280.05
  4. Step 4: Simplify right side
    4,294.63x = 27,351,659.53
  5. Step 5: Solve for x
    x = 27,351,659.53/4,294.63
  6. Step 6: Final answer
    x = 6,368.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.