Home / 6,303.39-9,455.61-1,920.89

Finding the Fourth Proportional to 6,303.39, 9,455.61 and 1,920.89

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Solution

The fourth proportional to 6,303.39, 9,455.61 and 1,920.89 is: 2,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.39 : 9,455.61 = 1,920.89 : x
  2. Step 2: Convert to fraction form
    6,303.39/9,455.61 = 1,920.89/x
  3. Step 3: Cross multiply
    6,303.39x = 9,455.61 × 1,920.89
  4. Step 4: Simplify right side
    6,303.39x = 18,163,186.69
  5. Step 5: Solve for x
    x = 18,163,186.69/6,303.39
  6. Step 6: Final answer
    x = 2,881.49

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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.