Home / 5,319.90-7,967.93-4,140.72

Finding the Fourth Proportional to 5,319.90, 7,967.93 and 4,140.72

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Solution

The fourth proportional to 5,319.90, 7,967.93 and 4,140.72 is: 6,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.90 : 7,967.93 = 4,140.72 : x
  2. Step 2: Convert to fraction form
    5,319.90/7,967.93 = 4,140.72/x
  3. Step 3: Cross multiply
    5,319.90x = 7,967.93 × 4,140.72
  4. Step 4: Simplify right side
    5,319.90x = 32,992,946.41
  5. Step 5: Solve for x
    x = 32,992,946.41/5,319.90
  6. Step 6: Final answer
    x = 6,201.80

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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.