Home / 7,855.04-10,840.56-4,498.91

Finding the Fourth Proportional to 7,855.04, 10,840.56 and 4,498.91

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Solution

The fourth proportional to 7,855.04, 10,840.56 and 4,498.91 is: 6,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.04 : 10,840.56 = 4,498.91 : x
  2. Step 2: Convert to fraction form
    7,855.04/10,840.56 = 4,498.91/x
  3. Step 3: Cross multiply
    7,855.04x = 10,840.56 × 4,498.91
  4. Step 4: Simplify right side
    7,855.04x = 48,770,649.59
  5. Step 5: Solve for x
    x = 48,770,649.59/7,855.04
  6. Step 6: Final answer
    x = 6,208.84

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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.