Home / 5,064-7,590.52-3,420.12

Finding the Fourth Proportional to 5,064, 7,590.52 and 3,420.12

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Solution

The fourth proportional to 5,064, 7,590.52 and 3,420.12 is: 5,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064 : 7,590.52 = 3,420.12 : x
  2. Step 2: Convert to fraction form
    5,064/7,590.52 = 3,420.12/x
  3. Step 3: Cross multiply
    5,064x = 7,590.52 × 3,420.12
  4. Step 4: Simplify right side
    5,064x = 25,960,489.26
  5. Step 5: Solve for x
    x = 25,960,489.26/5,064
  6. Step 6: Final answer
    x = 5,126.48

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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.