Home / 5,303.21-7,947.29-3,905.58

Finding the Fourth Proportional to 5,303.21, 7,947.29 and 3,905.58

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Solution

The fourth proportional to 5,303.21, 7,947.29 and 3,905.58 is: 5,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.21 : 7,947.29 = 3,905.58 : x
  2. Step 2: Convert to fraction form
    5,303.21/7,947.29 = 3,905.58/x
  3. Step 3: Cross multiply
    5,303.21x = 7,947.29 × 3,905.58
  4. Step 4: Simplify right side
    5,303.21x = 31,038,757.35
  5. Step 5: Solve for x
    x = 31,038,757.35/5,303.21
  6. Step 6: Final answer
    x = 5,852.83

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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.