Home / 6,458.20-9,688.65-2,076.10

Finding the Fourth Proportional to 6,458.20, 9,688.65 and 2,076.10

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Solution

The fourth proportional to 6,458.20, 9,688.65 and 2,076.10 is: 3,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.20 : 9,688.65 = 2,076.10 : x
  2. Step 2: Convert to fraction form
    6,458.20/9,688.65 = 2,076.10/x
  3. Step 3: Cross multiply
    6,458.20x = 9,688.65 × 2,076.10
  4. Step 4: Simplify right side
    6,458.20x = 20,114,606.27
  5. Step 5: Solve for x
    x = 20,114,606.27/6,458.20
  6. Step 6: Final answer
    x = 3,114.58

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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.