Home / 5,521.04-7,621.86-4,259.26

Finding the Fourth Proportional to 5,521.04, 7,621.86 and 4,259.26

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Solution

The fourth proportional to 5,521.04, 7,621.86 and 4,259.26 is: 5,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.04 : 7,621.86 = 4,259.26 : x
  2. Step 2: Convert to fraction form
    5,521.04/7,621.86 = 4,259.26/x
  3. Step 3: Cross multiply
    5,521.04x = 7,621.86 × 4,259.26
  4. Step 4: Simplify right side
    5,521.04x = 32,463,472.99
  5. Step 5: Solve for x
    x = 32,463,472.99/5,521.04
  6. Step 6: Final answer
    x = 5,879.96

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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.