Home / 5,239.04-7,855.52-2,116.49

Finding the Fourth Proportional to 5,239.04, 7,855.52 and 2,116.49

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Solution

The fourth proportional to 5,239.04, 7,855.52 and 2,116.49 is: 3,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.04 : 7,855.52 = 2,116.49 : x
  2. Step 2: Convert to fraction form
    5,239.04/7,855.52 = 2,116.49/x
  3. Step 3: Cross multiply
    5,239.04x = 7,855.52 × 2,116.49
  4. Step 4: Simplify right side
    5,239.04x = 16,626,079.66
  5. Step 5: Solve for x
    x = 16,626,079.66/5,239.04
  6. Step 6: Final answer
    x = 3,173.50

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Find fourth proportional to 2,619.52, 3,927.76 and 1,058.24
Half scale
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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.