Home / 4,990.01-7,483.37-1,657.51

Finding the Fourth Proportional to 4,990.01, 7,483.37 and 1,657.51

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Solution

The fourth proportional to 4,990.01, 7,483.37 and 1,657.51 is: 2,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.01 : 7,483.37 = 1,657.51 : x
  2. Step 2: Convert to fraction form
    4,990.01/7,483.37 = 1,657.51/x
  3. Step 3: Cross multiply
    4,990.01x = 7,483.37 × 1,657.51
  4. Step 4: Simplify right side
    4,990.01x = 12,403,733.61
  5. Step 5: Solve for x
    x = 12,403,733.61/4,990.01
  6. Step 6: Final answer
    x = 2,485.71

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Half scale
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Double scale
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Similar ratio
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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.