Home / 7,390.81-10,196.05-4,999.93

Finding the Fourth Proportional to 7,390.81, 10,196.05 and 4,999.93

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Solution

The fourth proportional to 7,390.81, 10,196.05 and 4,999.93 is: 6,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.81 : 10,196.05 = 4,999.93 : x
  2. Step 2: Convert to fraction form
    7,390.81/10,196.05 = 4,999.93/x
  3. Step 3: Cross multiply
    7,390.81x = 10,196.05 × 4,999.93
  4. Step 4: Simplify right side
    7,390.81x = 50,979,536.28
  5. Step 5: Solve for x
    x = 50,979,536.28/7,390.81
  6. Step 6: Final answer
    x = 6,897.69

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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.