Home / 5,285.12-7,293.30-2,927.36

Finding the Fourth Proportional to 5,285.12, 7,293.30 and 2,927.36

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Solution

The fourth proportional to 5,285.12, 7,293.30 and 2,927.36 is: 4,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.12 : 7,293.30 = 2,927.36 : x
  2. Step 2: Convert to fraction form
    5,285.12/7,293.30 = 2,927.36/x
  3. Step 3: Cross multiply
    5,285.12x = 7,293.30 × 2,927.36
  4. Step 4: Simplify right side
    5,285.12x = 21,350,114.69
  5. Step 5: Solve for x
    x = 21,350,114.69/5,285.12
  6. Step 6: Final answer
    x = 4,039.67

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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.