Home / 6,407.05-8,847.29-4,021.16

Finding the Fourth Proportional to 6,407.05, 8,847.29 and 4,021.16

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Solution

The fourth proportional to 6,407.05, 8,847.29 and 4,021.16 is: 5,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.05 : 8,847.29 = 4,021.16 : x
  2. Step 2: Convert to fraction form
    6,407.05/8,847.29 = 4,021.16/x
  3. Step 3: Cross multiply
    6,407.05x = 8,847.29 × 4,021.16
  4. Step 4: Simplify right side
    6,407.05x = 35,576,368.66
  5. Step 5: Solve for x
    x = 35,576,368.66/6,407.05
  6. Step 6: Final answer
    x = 5,552.69

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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.