Home / 5,428.53-8,142.33-2,506.86

Finding the Fourth Proportional to 5,428.53, 8,142.33 and 2,506.86

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Solution

The fourth proportional to 5,428.53, 8,142.33 and 2,506.86 is: 3,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.53 : 8,142.33 = 2,506.86 : x
  2. Step 2: Convert to fraction form
    5,428.53/8,142.33 = 2,506.86/x
  3. Step 3: Cross multiply
    5,428.53x = 8,142.33 × 2,506.86
  4. Step 4: Simplify right side
    5,428.53x = 20,411,681.38
  5. Step 5: Solve for x
    x = 20,411,681.38/5,428.53
  6. Step 6: Final answer
    x = 3,760.08

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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.