Home / 5,328.51-7,992.63-1,630.77

Finding the Fourth Proportional to 5,328.51, 7,992.63 and 1,630.77

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Solution

The fourth proportional to 5,328.51, 7,992.63 and 1,630.77 is: 2,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.51 : 7,992.63 = 1,630.77 : x
  2. Step 2: Convert to fraction form
    5,328.51/7,992.63 = 1,630.77/x
  3. Step 3: Cross multiply
    5,328.51x = 7,992.63 × 1,630.77
  4. Step 4: Simplify right side
    5,328.51x = 13,034,120.83
  5. Step 5: Solve for x
    x = 13,034,120.83/5,328.51
  6. Step 6: Final answer
    x = 2,446.11

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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.