Home / 5,328.01-7,990.39-1,630.77

Finding the Fourth Proportional to 5,328.01, 7,990.39 and 1,630.77

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Solution

The fourth proportional to 5,328.01, 7,990.39 and 1,630.77 is: 2,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.01 : 7,990.39 = 1,630.77 : x
  2. Step 2: Convert to fraction form
    5,328.01/7,990.39 = 1,630.77/x
  3. Step 3: Cross multiply
    5,328.01x = 7,990.39 × 1,630.77
  4. Step 4: Simplify right side
    5,328.01x = 13,030,488.30
  5. Step 5: Solve for x
    x = 13,030,488.30/5,328.01
  6. Step 6: Final answer
    x = 2,445.66

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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.