Home / 7,898.16-10,899.33-4,361.28

Finding the Fourth Proportional to 7,898.16, 10,899.33 and 4,361.28

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Solution

The fourth proportional to 7,898.16, 10,899.33 and 4,361.28 is: 6,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.16 : 10,899.33 = 4,361.28 : x
  2. Step 2: Convert to fraction form
    7,898.16/10,899.33 = 4,361.28/x
  3. Step 3: Cross multiply
    7,898.16x = 10,899.33 × 4,361.28
  4. Step 4: Simplify right side
    7,898.16x = 47,535,029.94
  5. Step 5: Solve for x
    x = 47,535,029.94/7,898.16
  6. Step 6: Final answer
    x = 6,018.49

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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.