Home / 4,210.75-6,313.69-1,870.75

Finding the Fourth Proportional to 4,210.75, 6,313.69 and 1,870.75

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Solution

The fourth proportional to 4,210.75, 6,313.69 and 1,870.75 is: 2,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.75 : 6,313.69 = 1,870.75 : x
  2. Step 2: Convert to fraction form
    4,210.75/6,313.69 = 1,870.75/x
  3. Step 3: Cross multiply
    4,210.75x = 6,313.69 × 1,870.75
  4. Step 4: Simplify right side
    4,210.75x = 11,811,335.57
  5. Step 5: Solve for x
    x = 11,811,335.57/4,210.75
  6. Step 6: Final answer
    x = 2,805.04

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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.