Home / 4,666.68-6,439.30-2,989.58

Finding the Fourth Proportional to 4,666.68, 6,439.30 and 2,989.58

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Solution

The fourth proportional to 4,666.68, 6,439.30 and 2,989.58 is: 4,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.68 : 6,439.30 = 2,989.58 : x
  2. Step 2: Convert to fraction form
    4,666.68/6,439.30 = 2,989.58/x
  3. Step 3: Cross multiply
    4,666.68x = 6,439.30 × 2,989.58
  4. Step 4: Simplify right side
    4,666.68x = 19,250,762.82
  5. Step 5: Solve for x
    x = 19,250,762.82/4,666.68
  6. Step 6: Final answer
    x = 4,125.15

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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.