Home / 7,225.11-10,837.65-2,840.16

Finding the Fourth Proportional to 7,225.11, 10,837.65 and 2,840.16

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Solution

The fourth proportional to 7,225.11, 10,837.65 and 2,840.16 is: 4,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.11 : 10,837.65 = 2,840.16 : x
  2. Step 2: Convert to fraction form
    7,225.11/10,837.65 = 2,840.16/x
  3. Step 3: Cross multiply
    7,225.11x = 10,837.65 × 2,840.16
  4. Step 4: Simplify right side
    7,225.11x = 30,780,660.02
  5. Step 5: Solve for x
    x = 30,780,660.02/7,225.11
  6. Step 6: Final answer
    x = 4,260.23

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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.