Home / 4,890.13-7,335.12-1,192.35

Finding the Fourth Proportional to 4,890.13, 7,335.12 and 1,192.35

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Solution

The fourth proportional to 4,890.13, 7,335.12 and 1,192.35 is: 1,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.13 : 7,335.12 = 1,192.35 : x
  2. Step 2: Convert to fraction form
    4,890.13/7,335.12 = 1,192.35/x
  3. Step 3: Cross multiply
    4,890.13x = 7,335.12 × 1,192.35
  4. Step 4: Simplify right side
    4,890.13x = 8,746,045.69
  5. Step 5: Solve for x
    x = 8,746,045.69/4,890.13
  6. Step 6: Final answer
    x = 1,788.51

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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.