Home / 7,665.23-11,502.20-2,984.63

Finding the Fourth Proportional to 7,665.23, 11,502.20 and 2,984.63

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Solution

The fourth proportional to 7,665.23, 11,502.20 and 2,984.63 is: 4,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.23 : 11,502.20 = 2,984.63 : x
  2. Step 2: Convert to fraction form
    7,665.23/11,502.20 = 2,984.63/x
  3. Step 3: Cross multiply
    7,665.23x = 11,502.20 × 2,984.63
  4. Step 4: Simplify right side
    7,665.23x = 34,329,811.19
  5. Step 5: Solve for x
    x = 34,329,811.19/7,665.23
  6. Step 6: Final answer
    x = 4,478.64

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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.