Home / 4,314.55-6,470.57-1,681.47

Finding the Fourth Proportional to 4,314.55, 6,470.57 and 1,681.47

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Solution

The fourth proportional to 4,314.55, 6,470.57 and 1,681.47 is: 2,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.55 : 6,470.57 = 1,681.47 : x
  2. Step 2: Convert to fraction form
    4,314.55/6,470.57 = 1,681.47/x
  3. Step 3: Cross multiply
    4,314.55x = 6,470.57 × 1,681.47
  4. Step 4: Simplify right side
    4,314.55x = 10,880,036.99
  5. Step 5: Solve for x
    x = 10,880,036.99/4,314.55
  6. Step 6: Final answer
    x = 2,521.71

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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.