Home / 4,508.13-6,762.84-1,388.40

Finding the Fourth Proportional to 4,508.13, 6,762.84 and 1,388.40

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Solution

The fourth proportional to 4,508.13, 6,762.84 and 1,388.40 is: 2,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.13 : 6,762.84 = 1,388.40 : x
  2. Step 2: Convert to fraction form
    4,508.13/6,762.84 = 1,388.40/x
  3. Step 3: Cross multiply
    4,508.13x = 6,762.84 × 1,388.40
  4. Step 4: Simplify right side
    4,508.13x = 9,389,527.06
  5. Step 5: Solve for x
    x = 9,389,527.06/4,508.13
  6. Step 6: Final answer
    x = 2,082.80

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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.