Home / 4,639.20-6,397.08-3,312.36

Finding the Fourth Proportional to 4,639.20, 6,397.08 and 3,312.36

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Solution

The fourth proportional to 4,639.20, 6,397.08 and 3,312.36 is: 4,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.20 : 6,397.08 = 3,312.36 : x
  2. Step 2: Convert to fraction form
    4,639.20/6,397.08 = 3,312.36/x
  3. Step 3: Cross multiply
    4,639.20x = 6,397.08 × 3,312.36
  4. Step 4: Simplify right side
    4,639.20x = 21,189,431.91
  5. Step 5: Solve for x
    x = 21,189,431.91/4,639.20
  6. Step 6: Final answer
    x = 4,567.48

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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.