Home / 4,143.12-6,210.12-2,290.08

Finding the Fourth Proportional to 4,143.12, 6,210.12 and 2,290.08

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Solution

The fourth proportional to 4,143.12, 6,210.12 and 2,290.08 is: 3,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.12 : 6,210.12 = 2,290.08 : x
  2. Step 2: Convert to fraction form
    4,143.12/6,210.12 = 2,290.08/x
  3. Step 3: Cross multiply
    4,143.12x = 6,210.12 × 2,290.08
  4. Step 4: Simplify right side
    4,143.12x = 14,221,671.61
  5. Step 5: Solve for x
    x = 14,221,671.61/4,143.12
  6. Step 6: Final answer
    x = 3,432.60

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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.