Home / 5,327.79-7,353.05-3,840.63

Finding the Fourth Proportional to 5,327.79, 7,353.05 and 3,840.63

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Solution

The fourth proportional to 5,327.79, 7,353.05 and 3,840.63 is: 5,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.79 : 7,353.05 = 3,840.63 : x
  2. Step 2: Convert to fraction form
    5,327.79/7,353.05 = 3,840.63/x
  3. Step 3: Cross multiply
    5,327.79x = 7,353.05 × 3,840.63
  4. Step 4: Simplify right side
    5,327.79x = 28,240,325.22
  5. Step 5: Solve for x
    x = 28,240,325.22/5,327.79
  6. Step 6: Final answer
    x = 5,300.57

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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.