Home / 5,140.10-7,089.65-3,344.25

Finding the Fourth Proportional to 5,140.10, 7,089.65 and 3,344.25

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Solution

The fourth proportional to 5,140.10, 7,089.65 and 3,344.25 is: 4,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.10 : 7,089.65 = 3,344.25 : x
  2. Step 2: Convert to fraction form
    5,140.10/7,089.65 = 3,344.25/x
  3. Step 3: Cross multiply
    5,140.10x = 7,089.65 × 3,344.25
  4. Step 4: Simplify right side
    5,140.10x = 23,709,545.29
  5. Step 5: Solve for x
    x = 23,709,545.29/5,140.10
  6. Step 6: Final answer
    x = 4,612.67

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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.