Home / 5,239.10-7,859.81-1,730.19

Finding the Fourth Proportional to 5,239.10, 7,859.81 and 1,730.19

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Solution

The fourth proportional to 5,239.10, 7,859.81 and 1,730.19 is: 2,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.10 : 7,859.81 = 1,730.19 : x
  2. Step 2: Convert to fraction form
    5,239.10/7,859.81 = 1,730.19/x
  3. Step 3: Cross multiply
    5,239.10x = 7,859.81 × 1,730.19
  4. Step 4: Simplify right side
    5,239.10x = 13,598,964.66
  5. Step 5: Solve for x
    x = 13,598,964.66/5,239.10
  6. Step 6: Final answer
    x = 2,595.67

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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.