Home / 5,460.47-8,190.71-1,356.47

Finding the Fourth Proportional to 5,460.47, 8,190.71 and 1,356.47

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Solution

The fourth proportional to 5,460.47, 8,190.71 and 1,356.47 is: 2,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.47 : 8,190.71 = 1,356.47 : x
  2. Step 2: Convert to fraction form
    5,460.47/8,190.71 = 1,356.47/x
  3. Step 3: Cross multiply
    5,460.47x = 8,190.71 × 1,356.47
  4. Step 4: Simplify right side
    5,460.47x = 11,110,440.46
  5. Step 5: Solve for x
    x = 11,110,440.46/5,460.47
  6. Step 6: Final answer
    x = 2,034.70

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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.