Home / 4,432.45-6,646.63-1,311.34

Finding the Fourth Proportional to 4,432.45, 6,646.63 and 1,311.34

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Solution

The fourth proportional to 4,432.45, 6,646.63 and 1,311.34 is: 1,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.45 : 6,646.63 = 1,311.34 : x
  2. Step 2: Convert to fraction form
    4,432.45/6,646.63 = 1,311.34/x
  3. Step 3: Cross multiply
    4,432.45x = 6,646.63 × 1,311.34
  4. Step 4: Simplify right side
    4,432.45x = 8,715,971.89
  5. Step 5: Solve for x
    x = 8,715,971.89/4,432.45
  6. Step 6: Final answer
    x = 1,966.40

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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.