Home / 4,665.15-6,439.01-2,898.09

Finding the Fourth Proportional to 4,665.15, 6,439.01 and 2,898.09

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Solution

The fourth proportional to 4,665.15, 6,439.01 and 2,898.09 is: 4,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.15 : 6,439.01 = 2,898.09 : x
  2. Step 2: Convert to fraction form
    4,665.15/6,439.01 = 2,898.09/x
  3. Step 3: Cross multiply
    4,665.15x = 6,439.01 × 2,898.09
  4. Step 4: Simplify right side
    4,665.15x = 18,660,830.49
  5. Step 5: Solve for x
    x = 18,660,830.49/4,665.15
  6. Step 6: Final answer
    x = 4,000.05

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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.