Home / 5,629.77-8,444.07-1,681.09

Finding the Fourth Proportional to 5,629.77, 8,444.07 and 1,681.09

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Solution

The fourth proportional to 5,629.77, 8,444.07 and 1,681.09 is: 2,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.77 : 8,444.07 = 1,681.09 : x
  2. Step 2: Convert to fraction form
    5,629.77/8,444.07 = 1,681.09/x
  3. Step 3: Cross multiply
    5,629.77x = 8,444.07 × 1,681.09
  4. Step 4: Simplify right side
    5,629.77x = 14,195,220.53
  5. Step 5: Solve for x
    x = 14,195,220.53/5,629.77
  6. Step 6: Final answer
    x = 2,521.46

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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.