Home / 6,521.70-9,782.56-1,591.34

Finding the Fourth Proportional to 6,521.70, 9,782.56 and 1,591.34

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Solution

The fourth proportional to 6,521.70, 9,782.56 and 1,591.34 is: 2,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.70 : 9,782.56 = 1,591.34 : x
  2. Step 2: Convert to fraction form
    6,521.70/9,782.56 = 1,591.34/x
  3. Step 3: Cross multiply
    6,521.70x = 9,782.56 × 1,591.34
  4. Step 4: Simplify right side
    6,521.70x = 15,567,379.03
  5. Step 5: Solve for x
    x = 15,567,379.03/6,521.70
  6. Step 6: Final answer
    x = 2,387.01

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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.