Home / 4,378.16-6,565.29-1,604.10

Finding the Fourth Proportional to 4,378.16, 6,565.29 and 1,604.10

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Solution

The fourth proportional to 4,378.16, 6,565.29 and 1,604.10 is: 2,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.16 : 6,565.29 = 1,604.10 : x
  2. Step 2: Convert to fraction form
    4,378.16/6,565.29 = 1,604.10/x
  3. Step 3: Cross multiply
    4,378.16x = 6,565.29 × 1,604.10
  4. Step 4: Simplify right side
    4,378.16x = 10,531,381.69
  5. Step 5: Solve for x
    x = 10,531,381.69/4,378.16
  6. Step 6: Final answer
    x = 2,405.44

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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.