Home / 7,855.28-10,840.22-4,498.70

Finding the Fourth Proportional to 7,855.28, 10,840.22 and 4,498.70

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Solution

The fourth proportional to 7,855.28, 10,840.22 and 4,498.70 is: 6,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.28 : 10,840.22 = 4,498.70 : x
  2. Step 2: Convert to fraction form
    7,855.28/10,840.22 = 4,498.70/x
  3. Step 3: Cross multiply
    7,855.28x = 10,840.22 × 4,498.70
  4. Step 4: Simplify right side
    7,855.28x = 48,766,897.71
  5. Step 5: Solve for x
    x = 48,766,897.71/7,855.28
  6. Step 6: Final answer
    x = 6,208.17

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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.