Home / 5,603.24-8,403.04-1,905.39

Finding the Fourth Proportional to 5,603.24, 8,403.04 and 1,905.39

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Solution

The fourth proportional to 5,603.24, 8,403.04 and 1,905.39 is: 2,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.24 : 8,403.04 = 1,905.39 : x
  2. Step 2: Convert to fraction form
    5,603.24/8,403.04 = 1,905.39/x
  3. Step 3: Cross multiply
    5,603.24x = 8,403.04 × 1,905.39
  4. Step 4: Simplify right side
    5,603.24x = 16,011,070.77
  5. Step 5: Solve for x
    x = 16,011,070.77/5,603.24
  6. Step 6: Final answer
    x = 2,857.47

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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.