Home / 4,666.90-6,440.07-2,898.64

Finding the Fourth Proportional to 4,666.90, 6,440.07 and 2,898.64

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Solution

The fourth proportional to 4,666.90, 6,440.07 and 2,898.64 is: 3,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.90 : 6,440.07 = 2,898.64 : x
  2. Step 2: Convert to fraction form
    4,666.90/6,440.07 = 2,898.64/x
  3. Step 3: Cross multiply
    4,666.90x = 6,440.07 × 2,898.64
  4. Step 4: Simplify right side
    4,666.90x = 18,667,444.50
  5. Step 5: Solve for x
    x = 18,667,444.50/4,666.90
  6. Step 6: Final answer
    x = 3,999.97

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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.