Home / 7,284.20-10,052.10-4,140.18

Finding the Fourth Proportional to 7,284.20, 10,052.10 and 4,140.18

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Solution

The fourth proportional to 7,284.20, 10,052.10 and 4,140.18 is: 5,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.20 : 10,052.10 = 4,140.18 : x
  2. Step 2: Convert to fraction form
    7,284.20/10,052.10 = 4,140.18/x
  3. Step 3: Cross multiply
    7,284.20x = 10,052.10 × 4,140.18
  4. Step 4: Simplify right side
    7,284.20x = 41,617,503.38
  5. Step 5: Solve for x
    x = 41,617,503.38/7,284.20
  6. Step 6: Final answer
    x = 5,713.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.