Home / 5,364.28-7,403.57-3,127.47

Finding the Fourth Proportional to 5,364.28, 7,403.57 and 3,127.47

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Solution

The fourth proportional to 5,364.28, 7,403.57 and 3,127.47 is: 4,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.28 : 7,403.57 = 3,127.47 : x
  2. Step 2: Convert to fraction form
    5,364.28/7,403.57 = 3,127.47/x
  3. Step 3: Cross multiply
    5,364.28x = 7,403.57 × 3,127.47
  4. Step 4: Simplify right side
    5,364.28x = 23,154,443.07
  5. Step 5: Solve for x
    x = 23,154,443.07/5,364.28
  6. Step 6: Final answer
    x = 4,316.41

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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.