Home / 8,287.11-11,421.81-6,045.30

Finding the Fourth Proportional to 8,287.11, 11,421.81 and 6,045.30

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Solution

The fourth proportional to 8,287.11, 11,421.81 and 6,045.30 is: 8,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.11 : 11,421.81 = 6,045.30 : x
  2. Step 2: Convert to fraction form
    8,287.11/11,421.81 = 6,045.30/x
  3. Step 3: Cross multiply
    8,287.11x = 11,421.81 × 6,045.30
  4. Step 4: Simplify right side
    8,287.11x = 69,048,267.99
  5. Step 5: Solve for x
    x = 69,048,267.99/8,287.11
  6. Step 6: Final answer
    x = 8,332.01

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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.