Home / 4,926.02-7,389.93-1,638.80

Finding the Fourth Proportional to 4,926.02, 7,389.93 and 1,638.80

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Solution

The fourth proportional to 4,926.02, 7,389.93 and 1,638.80 is: 2,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.02 : 7,389.93 = 1,638.80 : x
  2. Step 2: Convert to fraction form
    4,926.02/7,389.93 = 1,638.80/x
  3. Step 3: Cross multiply
    4,926.02x = 7,389.93 × 1,638.80
  4. Step 4: Simplify right side
    4,926.02x = 12,110,617.28
  5. Step 5: Solve for x
    x = 12,110,617.28/4,926.02
  6. Step 6: Final answer
    x = 2,458.50

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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.