Home / 4,210.19-6,315.30-1,869.65

Finding the Fourth Proportional to 4,210.19, 6,315.30 and 1,869.65

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Solution

The fourth proportional to 4,210.19, 6,315.30 and 1,869.65 is: 2,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.19 : 6,315.30 = 1,869.65 : x
  2. Step 2: Convert to fraction form
    4,210.19/6,315.30 = 1,869.65/x
  3. Step 3: Cross multiply
    4,210.19x = 6,315.30 × 1,869.65
  4. Step 4: Simplify right side
    4,210.19x = 11,807,400.65
  5. Step 5: Solve for x
    x = 11,807,400.65/4,210.19
  6. Step 6: Final answer
    x = 2,804.48

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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.