Home / 7,219.64-10,830.38-2,287.53

Finding the Fourth Proportional to 7,219.64, 10,830.38 and 2,287.53

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Solution

The fourth proportional to 7,219.64, 10,830.38 and 2,287.53 is: 3,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.64 : 10,830.38 = 2,287.53 : x
  2. Step 2: Convert to fraction form
    7,219.64/10,830.38 = 2,287.53/x
  3. Step 3: Cross multiply
    7,219.64x = 10,830.38 × 2,287.53
  4. Step 4: Simplify right side
    7,219.64x = 24,774,807.72
  5. Step 5: Solve for x
    x = 24,774,807.72/7,219.64
  6. Step 6: Final answer
    x = 3,431.58

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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.