Home / 6,312.21-9,468.42-1,929.71

Finding the Fourth Proportional to 6,312.21, 9,468.42 and 1,929.71

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Solution

The fourth proportional to 6,312.21, 9,468.42 and 1,929.71 is: 2,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.21 : 9,468.42 = 1,929.71 : x
  2. Step 2: Convert to fraction form
    6,312.21/9,468.42 = 1,929.71/x
  3. Step 3: Cross multiply
    6,312.21x = 9,468.42 × 1,929.71
  4. Step 4: Simplify right side
    6,312.21x = 18,271,257.42
  5. Step 5: Solve for x
    x = 18,271,257.42/6,312.21
  6. Step 6: Final answer
    x = 2,894.59

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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.