Home / 5,603.74-8,405.62-1,443.76

Finding the Fourth Proportional to 5,603.74, 8,405.62 and 1,443.76

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Solution

The fourth proportional to 5,603.74, 8,405.62 and 1,443.76 is: 2,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.74 : 8,405.62 = 1,443.76 : x
  2. Step 2: Convert to fraction form
    5,603.74/8,405.62 = 1,443.76/x
  3. Step 3: Cross multiply
    5,603.74x = 8,405.62 × 1,443.76
  4. Step 4: Simplify right side
    5,603.74x = 12,135,728.71
  5. Step 5: Solve for x
    x = 12,135,728.71/5,603.74
  6. Step 6: Final answer
    x = 2,165.65

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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.