Home / 4,453.40-6,681.63-1,680.86

Finding the Fourth Proportional to 4,453.40, 6,681.63 and 1,680.86

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Solution

The fourth proportional to 4,453.40, 6,681.63 and 1,680.86 is: 2,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.40 : 6,681.63 = 1,680.86 : x
  2. Step 2: Convert to fraction form
    4,453.40/6,681.63 = 1,680.86/x
  3. Step 3: Cross multiply
    4,453.40x = 6,681.63 × 1,680.86
  4. Step 4: Simplify right side
    4,453.40x = 11,230,851.19
  5. Step 5: Solve for x
    x = 11,230,851.19/4,453.40
  6. Step 6: Final answer
    x = 2,521.86

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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.