Home / 4,230.77-6,340.95-1,888.11

Finding the Fourth Proportional to 4,230.77, 6,340.95 and 1,888.11

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Solution

The fourth proportional to 4,230.77, 6,340.95 and 1,888.11 is: 2,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.77 : 6,340.95 = 1,888.11 : x
  2. Step 2: Convert to fraction form
    4,230.77/6,340.95 = 1,888.11/x
  3. Step 3: Cross multiply
    4,230.77x = 6,340.95 × 1,888.11
  4. Step 4: Simplify right side
    4,230.77x = 11,972,411.10
  5. Step 5: Solve for x
    x = 11,972,411.10/4,230.77
  6. Step 6: Final answer
    x = 2,829.85

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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.