Home / 6,421.12-9,630.64-2,037.58

Finding the Fourth Proportional to 6,421.12, 9,630.64 and 2,037.58

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Solution

The fourth proportional to 6,421.12, 9,630.64 and 2,037.58 is: 3,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.12 : 9,630.64 = 2,037.58 : x
  2. Step 2: Convert to fraction form
    6,421.12/9,630.64 = 2,037.58/x
  3. Step 3: Cross multiply
    6,421.12x = 9,630.64 × 2,037.58
  4. Step 4: Simplify right side
    6,421.12x = 19,623,199.45
  5. Step 5: Solve for x
    x = 19,623,199.45/6,421.12
  6. Step 6: Final answer
    x = 3,056.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.