Home / 5,390.53-8,038.18-4,735.09

Finding the Fourth Proportional to 5,390.53, 8,038.18 and 4,735.09

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Solution

The fourth proportional to 5,390.53, 8,038.18 and 4,735.09 is: 7,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.53 : 8,038.18 = 4,735.09 : x
  2. Step 2: Convert to fraction form
    5,390.53/8,038.18 = 4,735.09/x
  3. Step 3: Cross multiply
    5,390.53x = 8,038.18 × 4,735.09
  4. Step 4: Simplify right side
    5,390.53x = 38,061,465.55
  5. Step 5: Solve for x
    x = 38,061,465.55/5,390.53
  6. Step 6: Final answer
    x = 7,060.81

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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.