Home / 7,214.64-9,953.47-4,380.95

Finding the Fourth Proportional to 7,214.64, 9,953.47 and 4,380.95

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Solution

The fourth proportional to 7,214.64, 9,953.47 and 4,380.95 is: 6,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.64 : 9,953.47 = 4,380.95 : x
  2. Step 2: Convert to fraction form
    7,214.64/9,953.47 = 4,380.95/x
  3. Step 3: Cross multiply
    7,214.64x = 9,953.47 × 4,380.95
  4. Step 4: Simplify right side
    7,214.64x = 43,605,636.60
  5. Step 5: Solve for x
    x = 43,605,636.60/7,214.64
  6. Step 6: Final answer
    x = 6,044.04

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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.