Home / 4,898.46-7,347.69-2,124.30

Finding the Fourth Proportional to 4,898.46, 7,347.69 and 2,124.30

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Solution

The fourth proportional to 4,898.46, 7,347.69 and 2,124.30 is: 3,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.46 : 7,347.69 = 2,124.30 : x
  2. Step 2: Convert to fraction form
    4,898.46/7,347.69 = 2,124.30/x
  3. Step 3: Cross multiply
    4,898.46x = 7,347.69 × 2,124.30
  4. Step 4: Simplify right side
    4,898.46x = 15,608,697.87
  5. Step 5: Solve for x
    x = 15,608,697.87/4,898.46
  6. Step 6: Final answer
    x = 3,186.45

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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.