Home / 5,213.03-7,820.36-1,749.47

Finding the Fourth Proportional to 5,213.03, 7,820.36 and 1,749.47

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Solution

The fourth proportional to 5,213.03, 7,820.36 and 1,749.47 is: 2,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.03 : 7,820.36 = 1,749.47 : x
  2. Step 2: Convert to fraction form
    5,213.03/7,820.36 = 1,749.47/x
  3. Step 3: Cross multiply
    5,213.03x = 7,820.36 × 1,749.47
  4. Step 4: Simplify right side
    5,213.03x = 13,681,437.36
  5. Step 5: Solve for x
    x = 13,681,437.36/5,213.03
  6. Step 6: Final answer
    x = 2,624.47

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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.