Home / 4,455.09-6,685.02-1,683.72

Finding the Fourth Proportional to 4,455.09, 6,685.02 and 1,683.72

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Solution

The fourth proportional to 4,455.09, 6,685.02 and 1,683.72 is: 2,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.09 : 6,685.02 = 1,683.72 : x
  2. Step 2: Convert to fraction form
    4,455.09/6,685.02 = 1,683.72/x
  3. Step 3: Cross multiply
    4,455.09x = 6,685.02 × 1,683.72
  4. Step 4: Simplify right side
    4,455.09x = 11,255,701.87
  5. Step 5: Solve for x
    x = 11,255,701.87/4,455.09
  6. Step 6: Final answer
    x = 2,526.48

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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.