Home / 4,521.80-6,776.76-4,407.32

Finding the Fourth Proportional to 4,521.80, 6,776.76 and 4,407.32

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Solution

The fourth proportional to 4,521.80, 6,776.76 and 4,407.32 is: 6,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.80 : 6,776.76 = 4,407.32 : x
  2. Step 2: Convert to fraction form
    4,521.80/6,776.76 = 4,407.32/x
  3. Step 3: Cross multiply
    4,521.80x = 6,776.76 × 4,407.32
  4. Step 4: Simplify right side
    4,521.80x = 29,867,349.88
  5. Step 5: Solve for x
    x = 29,867,349.88/4,521.80
  6. Step 6: Final answer
    x = 6,605.19

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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.