Home / 7,044.59-9,720.87-4,211.40

Finding the Fourth Proportional to 7,044.59, 9,720.87 and 4,211.40

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Solution

The fourth proportional to 7,044.59, 9,720.87 and 4,211.40 is: 5,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.59 : 9,720.87 = 4,211.40 : x
  2. Step 2: Convert to fraction form
    7,044.59/9,720.87 = 4,211.40/x
  3. Step 3: Cross multiply
    7,044.59x = 9,720.87 × 4,211.40
  4. Step 4: Simplify right side
    7,044.59x = 40,938,474.35
  5. Step 5: Solve for x
    x = 40,938,474.35/7,044.59
  6. Step 6: Final answer
    x = 5,811.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.