Home / 7,899.21-10,899.83-4,712.24

Finding the Fourth Proportional to 7,899.21, 10,899.83 and 4,712.24

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Solution

The fourth proportional to 7,899.21, 10,899.83 and 4,712.24 is: 6,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.21 : 10,899.83 = 4,712.24 : x
  2. Step 2: Convert to fraction form
    7,899.21/10,899.83 = 4,712.24/x
  3. Step 3: Cross multiply
    7,899.21x = 10,899.83 × 4,712.24
  4. Step 4: Simplify right side
    7,899.21x = 51,362,536.86
  5. Step 5: Solve for x
    x = 51,362,536.86/7,899.21
  6. Step 6: Final answer
    x = 6,502.24

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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.