Home / 4,429.10-6,643.65-3,116.90

Finding the Fourth Proportional to 4,429.10, 6,643.65 and 3,116.90

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Solution

The fourth proportional to 4,429.10, 6,643.65 and 3,116.90 is: 4,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.10 : 6,643.65 = 3,116.90 : x
  2. Step 2: Convert to fraction form
    4,429.10/6,643.65 = 3,116.90/x
  3. Step 3: Cross multiply
    4,429.10x = 6,643.65 × 3,116.90
  4. Step 4: Simplify right side
    4,429.10x = 20,707,592.69
  5. Step 5: Solve for x
    x = 20,707,592.69/4,429.10
  6. Step 6: Final answer
    x = 4,675.35

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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.