Home / 6,455.14-9,666.30-6,298.40

Finding the Fourth Proportional to 6,455.14, 9,666.30 and 6,298.40

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Solution

The fourth proportional to 6,455.14, 9,666.30 and 6,298.40 is: 9,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.14 : 9,666.30 = 6,298.40 : x
  2. Step 2: Convert to fraction form
    6,455.14/9,666.30 = 6,298.40/x
  3. Step 3: Cross multiply
    6,455.14x = 9,666.30 × 6,298.40
  4. Step 4: Simplify right side
    6,455.14x = 60,882,223.92
  5. Step 5: Solve for x
    x = 60,882,223.92/6,455.14
  6. Step 6: Final answer
    x = 9,431.59

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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.