Home / 7,485.29-11,206.95-3,967.34

Finding the Fourth Proportional to 7,485.29, 11,206.95 and 3,967.34

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Solution

The fourth proportional to 7,485.29, 11,206.95 and 3,967.34 is: 5,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.29 : 11,206.95 = 3,967.34 : x
  2. Step 2: Convert to fraction form
    7,485.29/11,206.95 = 3,967.34/x
  3. Step 3: Cross multiply
    7,485.29x = 11,206.95 × 3,967.34
  4. Step 4: Simplify right side
    7,485.29x = 44,461,781.01
  5. Step 5: Solve for x
    x = 44,461,781.01/7,485.29
  6. Step 6: Final answer
    x = 5,939.89

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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.