Home / 7,029.32-9,700.16-3,885.44

Finding the Fourth Proportional to 7,029.32, 9,700.16 and 3,885.44

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Solution

The fourth proportional to 7,029.32, 9,700.16 and 3,885.44 is: 5,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.32 : 9,700.16 = 3,885.44 : x
  2. Step 2: Convert to fraction form
    7,029.32/9,700.16 = 3,885.44/x
  3. Step 3: Cross multiply
    7,029.32x = 9,700.16 × 3,885.44
  4. Step 4: Simplify right side
    7,029.32x = 37,689,389.67
  5. Step 5: Solve for x
    x = 37,689,389.67/7,029.32
  6. Step 6: Final answer
    x = 5,361.74

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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.